{"title":"Engraving Systems \u0026 Handpieces","description":"","products":[{"product_id":"grs-004-771-system-3-foot-control","title":"GRS 004-771 System 3 Foot Control Only","description":"\u003cp\u003eThe \u003cstrong\u003eGRS System 3 Foot Control (004-771)\u003c\/strong\u003e is a dedicated replacement or supplemental foot control unit designed for use with the GRS System 3 engraving system. This foot control allows the engraver to adjust handpiece power and speed hands-free, keeping both hands free to guide the graver and workpiece with precision. It is sold as a standalone unit for professionals who need a direct replacement or an additional control option for their existing System 3 setup.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFoot-operated speed and power control for the GRS System 3 engraving system\u003c\/li\u003e\n  \u003cli\u003eAllows hands-free adjustment during engraving and stonesetting operations\u003c\/li\u003e\n  \u003cli\u003eSold individually as a standalone replacement or spare unit\u003c\/li\u003e\n  \u003cli\u003eDesigned for professional jewelers, engravers, and stonesetting technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-771\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCompatible System\u003c\/th\u003e\n\u003ctd\u003eGRS System 3\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eUnit Type\u003c\/th\u003e\n\u003ctd\u003eFoot Control Only\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e1 unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × GRS System 3 Foot Control (004-771)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579860975830,"sku":"104.771","price":218.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-771-system-3-foot-control-only-otto-frei.jpg?v=1719958406"},{"product_id":"grs-004-905-maestro-ex-handpiece-6-quick-change-holders","title":"GRS 004-905 Maestro EX Handpiece with 6 Quick Change Holders","description":"\u003cp\u003eThe \u003cstrong\u003eGRS Maestro EX Handpiece (004-905)\u003c\/strong\u003e is a slim, balanced, and exceptionally smooth pneumatic engraving handpiece designed for professional jewelers, stone setters, and metal engravers. Sharing the same overall length as the original Maestro, the EX features a diameter only 20% larger — yet its piston is over 3.5 times heavier with a longer stroke, delivering significantly more power across a wide range of applications, including stone setting, general metal engraving, texturing, and hammering.\u003c\/p\u003e\n\u003cp\u003eControl remains excellent throughout the full Maestro EX power range. The handpiece uses the \u003cstrong\u003eGRS QC (Quick Change) Tool Holding system\u003c\/strong\u003e, enabling fast, two-second tool changes. This set includes six Quick Change holders, providing immediate versatility right out of the box.\u003c\/p\u003e\n\u003cp\u003eCompared to the Maestro MX, the Maestro EX is lighter at 3.52 oz. versus 4.96 oz. for the MX, and features a smaller maximum diameter of 18 mm versus 22 mm for the MX. The Maestro EX delivers power comparable to the GRS Magnum handpiece, while the MX exceeds even that level. For professionals seeking a powerful yet lightweight and compact handpiece, the Maestro EX is an ideal choice.\u003c\/p\u003e\n\u003cp\u003eHand control can be enhanced by adding an optional Airtact Thumb\/Finger element (sold separately). The Maestro EX is constructed from \u003cstrong\u003eheat-treated stainless steel and solid brass\u003c\/strong\u003e for durability and long-term professional use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This handpiece is \u003cem\u003enot\u003c\/em\u003e Airtact ready and is \u003cem\u003enot\u003c\/em\u003e compatible with the GraverMeister machine.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePiston over 3.5 times heavier than the original Maestro with a longer stroke for greater power\u003c\/li\u003e\n\u003cli\u003eSame overall length as the original Maestro; only 20% larger in diameter\u003c\/li\u003e\n\u003cli\u003eExcellent control across the full power range\u003c\/li\u003e\n\u003cli\u003eCompatible with the GRS QC Tool Holding system for two-second tool changes\u003c\/li\u003e\n\u003cli\u003eIncludes six Quick Change holders\u003c\/li\u003e\n\u003cli\u003eLighter and more compact than the Maestro MX\u003c\/li\u003e\n\u003cli\u003ePower comparable to the GRS Magnum handpiece\u003c\/li\u003e\n\u003cli\u003eOptional Airtact Thumb\/Finger element can be added for enhanced hand control\u003c\/li\u003e\n\u003cli\u003eConstructed from heat-treated stainless steel and solid brass\u003c\/li\u003e\n\u003cli\u003eRequires oil-free compressed air via a compatible GRS engraving system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-905\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.52 oz. (100 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e4 in. (102 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Diameter\u003c\/th\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTool Holding System\u003c\/th\u003e\n\u003ctd\u003eGRS QC (Quick Change)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction Materials\u003c\/th\u003e\n\u003ctd\u003eHeat-treated stainless steel and solid brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eOil-free compressed air (via compatible GRS system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirtact Ready\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGRS Maestro EX Handpiece (004-905)\u003c\/li\u003e\n\u003cli\u003e6 GRS Quick Change holders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with the following GRS engraving systems using oil-free compressed air:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGraverMach AT\u003c\/li\u003e\n\u003cli\u003eGraverMax G8\u003c\/li\u003e\n\u003cli\u003eGraverMach\u003c\/li\u003e\n\u003cli\u003eGraverMax SC\u003c\/li\u003e\n\u003cli\u003eGraverSmith\u003c\/li\u003e\n\u003cli\u003eClassic GraverMax \/ GraverMate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis handpiece is \u003cstrong\u003enot\u003c\/strong\u003e Airtact ready.\u003c\/li\u003e\n\u003cli\u003eThis handpiece is \u003cstrong\u003enot\u003c\/strong\u003e compatible with the GraverMeister machine.\u003c\/li\u003e\n\u003cli\u003eOptional Airtact Thumb\/Finger element available separately for enhanced hand control.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579862614230,"sku":"104.905","price":470.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-905-maestro-ex-handpiece-with-6-quick-change-holders-otto-frei.jpg?v=1719958406"},{"product_id":"oval-knob-grs-magnum-handpiece-104-940","title":"Oval Knob For GRS Magnum Hand Piece 104.940","description":"\u003cp\u003eThe \u003cstrong\u003eOval Knob for GRS Magnum Handpiece\u003c\/strong\u003e is an optional replacement knob designed specifically for the GRS Magnum handpiece. It replaces the standard palm-style knob that comes with the Magnum, offering engravers an alternative grip profile for personalized comfort and control during detailed engraving work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptional oval-profile knob designed as a direct replacement for the GRS Magnum handpiece\u003c\/li\u003e\n\u003cli\u003eReplaces the standard palm-style knob included with the Magnum handpiece\u003c\/li\u003e\n\u003cli\u003eProvides an alternative grip option for engravers who prefer an oval knob\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e104.940\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handpiece\u003c\/th\u003e\n\u003ctd\u003eGRS Magnum Handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplaces\u003c\/th\u003e\n\u003ctd\u003eStandard palm-style knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579862843606,"sku":"104.941","price":108.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/oval-knob-for-grs-magnum-hand-piece-104-940-otto-frei.jpg?v=1719958404"},{"product_id":"grs-044-944-type-e-palm-pad-kit","title":"GRS 044-944 Type E Palm Pad Kit","description":"\u003cp\u003eThe GRS 044-944 Type E Palm Pad Kit provides a comprehensive assortment of palm pads for use with airtact-capable handpieces that accept palm pad activation. The kit includes 4 pads each of three different sensitivity levels — numbers 6, 8, and 10 — giving engravers a full range of hand-force options in a single purchase. The lower the pad number, the less hand force is required to activate the handpiece, allowing precise control over stroke intensity to suit different engraving tasks and user preferences.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKit includes 4 pads each of sensitivity levels 6, 8, and 10 — 12 palm pads total\u003c\/li\u003e\n\u003cli\u003eLower number pads require less hand force for activation\u003c\/li\u003e\n\u003cli\u003eThree sensitivity levels allow engravers to match pad response to their technique and material\u003c\/li\u003e\n\u003cli\u003eDesigned for use with airtact-capable handpieces that accept palm pad activation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e044-944\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit Contents\u003c\/th\u003e\n\u003ctd\u003e12 palm pads total — 4 each of sensitivity levels 6, 8, and 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePad Type\u003c\/th\u003e\n\u003ctd\u003eType E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eAirtact-capable handpieces that use palm pads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 × Sensitivity Level 6 palm pads\u003c\/li\u003e\n\u003cli\u003e4 × Sensitivity Level 8 palm pads\u003c\/li\u003e\n\u003cli\u003e4 × Sensitivity Level 10 palm pads\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579862941910,"sku":"104.944","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-044-944-type-e-palm-pad-kit-otto-frei.jpg?v=1719958404"},{"product_id":"grs-004-957ss-palm-touch-element-kit-magnum-handpiece","title":"GRS 004-957SS Palm Touch Element Kit For Magnum Handpiece","description":"\u003cp\u003eThe GRS 004-957SS Palm Touch Element Kit adds palm-pressure control to your existing GRS Magnum handpiece setup. Designed to fit the standard GRS Magnum 004-940 handpiece (Otto Frei Part No. 104.940), this kit works in conjunction with your Airtact and a compatible GRS power system to let you regulate the handpiece through natural palm pressure — giving engravers and stonesetting professionals a more intuitive, hands-on feel during detailed work.\u003c\/p\u003e\u003cp\u003eCompatible GRS power systems include the GraverMach, GraverMax SC, GraverSmith, GraverMax, and GraverMate. The GRS Magnum handpiece (104.940) is required and sold separately.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnables palm-pressure control of the GRS Magnum handpiece\u003c\/li\u003e\n\u003cli\u003eWorks with Airtact and compatible GRS power systems\u003c\/li\u003e\n\u003cli\u003eCompatible power systems: GraverMach, GraverMax SC, GraverSmith, GraverMax, and GraverMate\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the GRS Magnum 004-940 handpiece\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-957SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handpiece\u003c\/th\u003e\n\u003ctd\u003eGRS Magnum 004-940 (Otto Frei Part No. 104.940)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant Count\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The GRS Magnum handpiece (Otto Frei Part No. 104.940) is required for use with this kit and is sold separately. Airtact and a compatible GRS power system are also required.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579870511318,"sku":"104.957SS","price":246.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-957ss-palm-touch-element-kit-for-magnum-handpiece-otto-frei.jpg?v=1719958404"},{"product_id":"grs-monarch-ultra-fine-replacement-spring-044-511","title":"GRS 044-011 Monarch Ultra Fine Spring Only","description":"\u003cp\u003eKeep your Glendo GRS Monarch handpiece performing at its best with this replacement ultra fine spring. Designed specifically for the Monarch handpiece, this spring is the OEM replacement component identified by GRS part number 044-511. Having a spare on hand minimizes downtime during critical engraving or stonesetting work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement ultra fine spring for the GRS Monarch handpiece\u003c\/li\u003e\n\u003cli\u003eOEM component from Glendo GRS\u003c\/li\u003e\n\u003cli\u003eGRS part number 044-511\u003c\/li\u003e\n\u003cli\u003eHelps maintain precise handpiece performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eGRS Part Number\u003c\/th\u003e\n\u003ctd\u003e044-511\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handpiece\u003c\/th\u003e\n\u003ctd\u003eGRS Monarch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Type\u003c\/th\u003e\n\u003ctd\u003eUltra Fine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eReplacement Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × GRS Monarch Ultra Fine Replacement Spring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579871789270,"sku":"104.922","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-044-011-monarch-ultra-fine-spring-only-otto-frei.jpg?v=1719958404"},{"product_id":"grs-palm-touch-element-kit-monarch-handpiece","title":"GRS Palm Touch Element Kit For Monarch Handpiece","description":"\u003cp\u003eThe GRS Palm Touch Element Kit adds palm-pressure control to your Monarch handpiece. By integrating this kit with your Airtact and a compatible GRS power system, you can regulate the Monarch handpiece directly through the pressure applied by your palm—giving you intuitive, hands-on control during engraving and stonesetting work. The Monarch handpiece is sold separately.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnables palm-pressure control of the Monarch handpiece\u003c\/li\u003e\n\u003cli\u003eWorks in conjunction with the Airtact accessory\u003c\/li\u003e\n\u003cli\u003eCompatible with GRS power systems including GraverMach, GraverMax SC, GraverSmith, GraverMax, and GraverMate\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct-fit kit for the Monarch handpiece\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eMonarch handpiece sold separately. An Airtact and a compatible GRS power system are required for palm-touch operation.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579880112342,"sku":"104.952SS","price":198.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-palm-touch-element-kit-for-monarch-handpiece-otto-frei.jpg?v=1719958401"},{"product_id":"grs-044-142-short-barrel-104-901-handpiece-airtact","title":"GRS 044-142 Short Barrel For 104.901 Handpiece For Airtact Use","description":"\u003cp\u003eWhen converting a standard GRS 104.904 901 handpiece using the 104.953 GRS conversion, the overall tool length increases slightly because Airtact palm knobs are longer than standard handpiece knobs. The GRS 044-142 Short Barrel is designed specifically for this situation, reducing the total length of a palm touch–converted 901 handpiece by 0.18\" (4.6 mm) for a more balanced, comfortable feel during engraving.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for use with the GRS 104.901 handpiece converted for Airtact palm touch operation\u003c\/li\u003e\n\u003cli\u003eCompensates for the added length introduced by Airtact palm knobs\u003c\/li\u003e\n\u003cli\u003eShortens total handpiece length by 0.18\" (4.6 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with the 104.953 GRS conversion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e044-142\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Reduction\u003c\/th\u003e\n\u003ctd\u003e0.18\" (4.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handpiece\u003c\/th\u003e\n\u003ctd\u003eGRS 104.901\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Conversion\u003c\/th\u003e\n\u003ctd\u003e104.953 GRS Airtact Conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis short barrel is an optional accessory intended for engravers who have converted their 104.904 GRS 901 handpiece to Airtact palm touch use and prefer a shorter overall tool length. It does not replace any standard component required for the conversion itself.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579893940438,"sku":"104.142","price":136.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-044-142-short-barrel-for-104-901-handpiece-for-airtact-use-otto-frei.jpg?v=1719958401"},{"product_id":"grs-004-720-quick-change-large-impact-handpiece","title":"GRS 004-720 Quick Change Large Impact Handpiece","description":"\u003cp\u003eThe GRS 004-720 Quick Change Large Impact Handpiece is the most powerful impact handpiece available for the GRS system. Designed for demanding applications, it excels at wood carving, very heavy metal engraving, and hammer work. Compatible with all GraverMach, GraverMate, GraverMax, and GraverSmith systems, this handpiece delivers the force needed for the most challenging engraving and carving tasks.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMost powerful impact handpiece available in the GRS handpiece lineup\u003c\/li\u003e\n\u003cli\u003eIdeal for wood carving, very heavy metal engraving, and hammer work\u003c\/li\u003e\n\u003cli\u003eQuick-change design for fast and easy tool swapping\u003c\/li\u003e\n\u003cli\u003eCompatible with all GraverMach, GraverMate, GraverMax, and GraverSmith systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-720\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e5.3 oz. (150 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Type\u003c\/th\u003e\n\u003ctd\u003eLarge Impact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection Type\u003c\/th\u003e\n\u003ctd\u003eQuick Change\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis handpiece is compatible with all GraverMach, GraverMate, GraverMax, and GraverSmith systems.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579894694102,"sku":"104.720","price":625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-720-quick-change-large-impact-handpiece-otto-frei.jpg?v=1719958401"},{"product_id":"grs-004-579-air-oil-filter-system","title":"GRS 004-579 Air Filter-Oil Filter System","description":"\u003cp\u003eThe GRS 004-579 Air Filter–Oil Filter System removes dirt and oil contamination from compressed air, protecting your GRS engraving equipment from damage caused by impure air supply. This filter system is required when using an oil-type compressor with GRS equipment. Connect it to the output of your oil-type air compressor if a \u003cstrong\u003eCoalescing Filter\u003c\/strong\u003e is not already installed on the compressor's output.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemoves both dirt and oil contamination from compressed air\u003c\/li\u003e\n\u003cli\u003eRequired for use with oil-type compressors and GRS equipment\u003c\/li\u003e\n\u003cli\u003eInstalls at the output of your air compressor\u003c\/li\u003e\n\u003cli\u003eProtects GRS handpieces and engraving systems from oil and particulate contamination\u003c\/li\u003e\n\u003cli\u003eSuitable when no Coalescing Filter is already present on the compressor output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-579\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Equipment\u003c\/th\u003e\n\u003ctd\u003eGRS engraving systems and handpieces used with oil-type compressors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis filter system is specifically intended for oil-type air compressors. If your compressor already has a Coalescing Filter installed on its output, this additional filter system may not be required. Consult your GRS equipment documentation to confirm your setup requirements.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579895972054,"sku":"104.579","price":160.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-579-air-filter-oil-filter-system-otto-frei.jpg?v=1719958399"},{"product_id":"grs-004-527-air-compressor-hook-up-kit-50ft-hose-brass-fittings","title":"GRS 004-527  Hook Up Kit For Air Compressors to GRS Products","description":"\u003cp\u003eEvery GRS engraving system includes the machine-side quick-change hose connectors needed to attach to an air compressor — but sourcing the right hose and additional fittings is often an extra step. The GRS 004-527 Hook Up Kit provides everything required to complete the connection between a standard air compressor output and your GRS engraving system, eliminating the need for a separate hardware store run.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes 50 feet (15.24 meters) of 1\/4\" (6.35 mm) diameter hose along with 3 brass hose fittings, giving you the components needed to get your GRS system up and running quickly.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides the hose and fittings needed to connect an air compressor to GRS engraving systems\u003c\/li\u003e\n\u003cli\u003eIncludes 50 feet (15.24 meters) of 1\/4\" (6.35 mm) diameter air hose\u003c\/li\u003e\n\u003cli\u003eComes with 3 brass hose fittings for a complete, ready-to-use connection\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the machine-side quick-change connectors already included with GRS engraving systems\u003c\/li\u003e\n\u003cli\u003eSaves time by supplying all necessary compressor-side connection components in one kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-527\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHose Length\u003c\/th\u003e\n\u003ctd\u003e50 ft (15.24 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHose Diameter\u003c\/th\u003e\n\u003ctd\u003e1\/4\" (6.35 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFittings Included\u003c\/th\u003e\n\u003ctd\u003e3 brass hose fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e50 ft (15.24 m) of 1\/4\" (6.35 mm) diameter air hose\u003c\/li\u003e\n\u003cli\u003e3 brass hose fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis kit supplies the compressor-side hose and fittings only. GRS engraving systems include the machine-side quick-change connectors separately. This product contains lead — see Proposition 65 information for details.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579896037590,"sku":"104.527","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-527-hook-up-kit-for-air-compressors-to-grs-products-otto-frei.jpg?v=1719958400"},{"product_id":"grs-drain-bowl-104-579","title":"GRS Drain Bowl for 104.579","description":"\u003cp\u003eThe GRS Drain Bowl is a dedicated replacement and accessory component designed for use with the GRS system referenced as 104.579. Engineered to integrate with GRS engraving and stonesetting equipment, this drain bowl provides a reliable fluid management solution for keeping your workstation clean and operational during precision engraving and stonesetting tasks.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for compatibility with GRS unit 104.579\u003c\/li\u003e\n\u003cli\u003eSupports clean fluid drainage during engraving and stonesetting operations\u003c\/li\u003e\n\u003cli\u003ePurpose-built GRS accessory component for professional bench use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Unit\u003c\/th\u003e\n\u003ctd\u003eGRS 104.579\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDrain Bowl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eEngraving \u0026amp; Stonesetting Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariants\u003c\/th\u003e\n\u003ctd\u003eSingle configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis drain bowl is intended for use with GRS model 104.579. Verify compatibility with your specific GRS unit before ordering. No additional variants or size options are available for this component.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579896496342,"sku":"102.417","price":47.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-drain-bowl-for-104-579-otto-frei.jpg?v=1719958399"},{"product_id":"grs-002-633-oil-removal-filter-104-579","title":"GRS 002-633 Oil Removal Filter for 104.579","description":"\u003cp\u003eThe \u003cstrong\u003eGRS 002-633 Oil Removal Filter\u003c\/strong\u003e is a replacement filtration component designed for use with the GRS 104.579 system. Engineered to keep your engraving equipment running cleanly and efficiently, this filter removes oil contamination from the air supply, helping to protect sensitive handpiece components and maintain consistent performance during engraving and stonesetting work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for the GRS 104.579 system\u003c\/li\u003e\n\u003cli\u003eRemoves oil from the air supply to protect handpiece internals\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistent air pressure and performance\u003c\/li\u003e\n\u003cli\u003eReplacement part for ongoing maintenance of GRS engraving equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e002-633\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible System\u003c\/th\u003e\n\u003ctd\u003eGRS 104.579\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eOil removal filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariants\u003c\/th\u003e\n\u003ctd\u003eSingle configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579896594646,"sku":"102.633","price":100.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-002-633-oil-removal-filter-for-104-579-otto-frei.jpg?v=1719958399"},{"product_id":"grs-002-364-moisture-dirt-filter-104-579","title":"GRS 002-364 Moisture\/Dirt Filter for 104.579","description":"\u003cp\u003eThe \u003cstrong\u003eGRS 002-364 Moisture\/Dirt Filter\u003c\/strong\u003e is a replacement and maintenance component designed for use with the GRS 104.579 system. Keeping moisture and debris out of your air supply is essential for protecting precision engraving handpieces and maintaining consistent performance at the bench. This filter helps ensure clean, dry air reaches your equipment, supporting reliable operation during detailed engraving and stonesetting work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFilters moisture and dirt from the air supply\u003c\/li\u003e\n\u003cli\u003eDesigned for use with the GRS 104.579\u003c\/li\u003e\n\u003cli\u003eHelps protect precision handpiece components from contamination\u003c\/li\u003e\n\u003cli\u003eSupports consistent air pressure and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e002-364\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Unit\u003c\/th\u003e\n\u003ctd\u003eGRS 104.579\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eMoisture and dirt filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant Count\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis filter is intended as a replacement or maintenance part for the GRS 104.579. Refer to your GRS equipment documentation to confirm fitment and recommended service intervals before ordering.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579896725718,"sku":"102.364","price":41.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-002-364-moisturedirt-filter-for-104-579-otto-frei.jpg?v=1719958398"},{"product_id":"grs-044-525-foot-throttle-control-assembly-g8-gravermach-graversmith","title":"GRS 044-525 Foot Throttle (Control) Assembly For G8, GMach, GSmith","description":"\u003cp\u003eThe GRS 044-525 Foot Throttle (Control) Assembly delivers exceptionally smooth startup and precise power management for GRS engraving systems. Designed for the GRS G8, GraverMach, and GraverSmith, this foot control is also compatible with the previous-generation GraverMax and GraverMate units, where it significantly improves the feel and performance of those classic systems.\u003c\/p\u003e\u003cp\u003eThis foot control is engineered to give engravers an exceptionally wide power range in a single, seamless unit. By combining a dedicated \u003cstrong\u003econtrol zone\u003c\/strong\u003e and a \u003cstrong\u003epower zone\u003c\/strong\u003e, it transitions fluidly between delicate and powerful strokes—making it especially well-suited for bulino work, banknote engraving, and fine shading techniques that demand consistent, repeatable precision.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCombines a control zone and power zone in one seamless foot control\u003c\/li\u003e\n\u003cli\u003eExtremely smooth startup for delicate engraving techniques\u003c\/li\u003e\n\u003cli\u003eWide power range suitable for everything from fine shading to heavier cuts\u003c\/li\u003e\n\u003cli\u003eCompatible with GRS G8, GraverMach, and GraverSmith engraving systems\u003c\/li\u003e\n\u003cli\u003eAlso improves feel and performance on older GraverMax and GraverMate units\u003c\/li\u003e\n\u003cli\u003eIdeal for bulino, banknote engraving, and fine detail shading\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e044-525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eGRS G8, GraverMach, GraverSmith, GraverMax, GraverMate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Hoses are not included with this foot throttle assembly.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43579898069206,"sku":"104.519","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-519-foot-throttle-control-assembly-for-g8-gmach-gsmith-otto-frei.jpg?v=1719958398"},{"product_id":"grs-004-921-monarch-handpiece","title":"GRS 004-921 Monarch Handpiece","description":"\u003cp\u003eThe \u003cstrong\u003eGRS 004-921 Monarch Handpiece\u003c\/strong\u003e is a precision-engineered, ultra-lightweight engraving handpiece crafted from heat-treated stainless steel. Weighing just 1.8 oz. (52 grams) — approximately one-third the weight of the GRS Magnum handpiece — the Monarch is purpose-built for the most delicate engraving disciplines, including ultra-fine engraving and banknote-style work. Its featherlight design gives engravers exceptional tactile feedback and reduced fatigue during intricate, long-session work.\u003c\/p\u003e\u003cp\u003eIt is important to note that the Monarch is \u003cstrong\u003enot recommended for stone setting\u003c\/strong\u003e. Its lightweight construction is not suited to the more demanding, impact-intensive nature of stone-setting tasks. For jewelers focused on fine engraving, however, the Monarch is widely regarded as an essential addition to a comprehensive GRS handpiece toolkit.\u003c\/p\u003e\u003cp\u003eThe Monarch requires oil-free compressed air and must be used with a compatible GRS engraving system. \u003cstrong\u003eThis handpiece is not Airtact ready and is not compatible with the GraverMeister machine.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtremely lightweight at 1.8 oz. (52 grams) — approximately 1\/3 the weight of the GRS Magnum handpiece\u003c\/li\u003e\n\u003cli\u003eHeat-treated stainless steel construction for durability and precision\u003c\/li\u003e\n\u003cli\u003eOptimized for ultra-fine engraving and banknote-style engraving techniques\u003c\/li\u003e\n\u003cli\u003eReduces hand fatigue during extended delicate engraving sessions\u003c\/li\u003e\n\u003cli\u003eOperates on oil-free compressed air\u003c\/li\u003e\n\u003cli\u003eNot recommended for stone setting applications\u003c\/li\u003e\n\u003cli\u003eNot Airtact ready; not compatible with the GraverMeister machine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-921\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.8 oz. (52 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHeat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Requirement\u003c\/th\u003e\n\u003ctd\u003eOil-free compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirtact Compatible\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraverMeister Compatible\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThe GRS 004-921 Monarch Handpiece is compatible with the following GRS engraving systems:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGraverMach AT\u003c\/li\u003e\n\u003cli\u003eGraverMax G8\u003c\/li\u003e\n\u003cli\u003eGraverMach\u003c\/li\u003e\n\u003cli\u003eGraverMax SC\u003c\/li\u003e\n\u003cli\u003eGraverSmith\u003c\/li\u003e\n\u003cli\u003eClassic GraverMax \/ GraverMate\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This handpiece is \u003cem\u003enot\u003c\/em\u003e Airtact ready and is \u003cem\u003enot\u003c\/em\u003e compatible with the GraverMeister machine.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43580949299414,"sku":"104.921","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-921-monarch-handpiece-otto-frei.jpg?v=1686176490"},{"product_id":"nsk-t815001-ultra-850-rotary-handpiece-grs-compatible","title":"NSK GRS Compatible Ultra 850 Rotary Handpiece","description":"\u003cp\u003eThe \u003cstrong\u003eNSK T815001 Ultra 850 Rotary Handpiece\u003c\/strong\u003e is an air-powered, high-speed rotary handpiece made by NSK of Japan to exacting manufacturing standards. Widely used as a compatible accessory with most Glendo GRS Air Systems, it delivers rotational speeds of up to \u003cstrong\u003e320,000 RPM\u003c\/strong\u003e for precise, efficient cutting in engraving and stonesetting applications.\u003c\/p\u003e\u003cp\u003eThe Ultra 850 features a \u003cstrong\u003epermanent lubrication design\u003c\/strong\u003e engineered for long service life with minimal maintenance. Its flexible tubing reduces operator hand fatigue during extended continuous use. A built-in \u003cstrong\u003eChip Air Mechanism\u003c\/strong\u003e continuously blows away cutting powder to improve cutting efficiency and reduces heat generated during cutting, further extending the service life of the bur.\u003c\/p\u003e\u003cp\u003eThis handpiece connects directly to the GraverMax, GraverMate, GraverMach AT, and GraverMax G8, as well as any regulated air supply. Due to its extremely high operating speed, the Ultra 850 accepts \u003cstrong\u003eonly 1\/16\" diameter (0.062\" \/ 1.6 mm) bur shanks\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAir-powered rotary handpiece operating at up to 320,000 RPM\u003c\/li\u003e\n\u003cli\u003ePermanent lubrication for long service life and reduced maintenance\u003c\/li\u003e\n\u003cli\u003eFlexible tubing reduces hand fatigue during prolonged use\u003c\/li\u003e\n\u003cli\u003eChip Air Mechanism clears cutting powder for improved cutting efficiency\u003c\/li\u003e\n\u003cli\u003eHeat reduction from Chip Air extends bur service life\u003c\/li\u003e\n\u003cli\u003eCompatible with most Glendo GRS Air Systems\u003c\/li\u003e\n\u003cli\u003eConnects directly to GraverMax, GraverMate, GraverMach AT, GraverMax G8, or any regulated air supply\u003c\/li\u003e\n\u003cli\u003eAccepts only 1\/16\" (0.062\" \/ 1.6 mm) shank diameter burs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eNSK T815001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Speed\u003c\/th\u003e\n\u003ctd\u003e320,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Requirement\u003c\/th\u003e\n\u003ctd\u003e1.3 cfm at 30–35 psi (38 liters per minute at 2–2.5 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBur Shank Diameter\u003c\/th\u003e\n\u003ctd\u003e1\/16\" (0.062\" \/ 1.6 mm) only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eAir powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eGraverMax, GraverMate, GraverMach AT, GraverMax G8, or any regulated air supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDue to extremely high operating speed, only 1\/16\" diameter bur shanks are compatible—larger shanks must not be used.\u003c\/li\u003e\n\u003cli\u003eA regulated air supply meeting the stated cfm and psi requirements is necessary for proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43580964372694,"sku":"104.850","price":546.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nsk-grs-compatible-ultra-850-rotary-handpiece-otto-frei.jpg?v=1719957866"},{"product_id":"grs-magnum-handpiece-quick-change-holders","title":"GRS 004-940 Magnum Handpiece with 6 Quick Change Holders","description":"\u003cp\u003eThe GRS Magnum Handpiece is the most popular impact handpiece for use with GRS engraving systems. Its compact, jeweler-friendly shape closely resembles the traditional graver handles most jewelers learn with — yet its performance far exceeds its modest size. The Magnum delivers an exceptional range of power, from remarkably heavy stock removal to very fine detail work, earning its name through sheer capability.\u003c\/p\u003e\u003cp\u003eNo other impact handpiece matches the Magnum's power range. Despite being significantly more compact than older models, it surpasses the output of previous handpieces that are twice its length. Fine shading control is also substantially better than any handpiece offering comparable top-end power — making this an ideal choice for engravers who demand both precision and force from a single tool.\u003c\/p\u003e\u003cp\u003eThe Magnum requires a compatible GRS engraving system using oil-free compressed air. Compatible systems include the GraverMach AT, GraverMax G8, GraverMach, GraverMax SC, GraverSmith, and Classic GraverMax \/ GraverMate machines. \u003cstrong\u003eThis handpiece is not Airtact ready and is not compatible with the GraverMeister machine.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAn optional oval knob (part number 104.941) is available separately and replaces the standard palm knob.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExceptional power range — from heavy cutting to very fine detail work\u003c\/li\u003e\n\u003cli\u003eCompact, jeweler-friendly shape modeled after traditional graver handles\u003c\/li\u003e\n\u003cli\u003eExceeds the power output of older, longer impact handpiece models\u003c\/li\u003e\n\u003cli\u003eSuperior shading control relative to its top-end power output\u003c\/li\u003e\n\u003cli\u003eIncludes 6 quick-change holders for fast tool swaps\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GRS engraving system models\u003c\/li\u003e\n\u003cli\u003eOptional oval knob available separately (part number 104.941)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e5.7 oz. (161 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e2.7 in. (69.2 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Accessories\u003c\/th\u003e\n\u003ctd\u003eStandard barrel with palm knob, 6 quick-change holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply Required\u003c\/th\u003e\n\u003ctd\u003eOil-free compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirtact Compatible\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraverMeister Compatible\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis handpiece is compatible with the following GRS engraving systems using oil-free compressed air:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGraverMach AT\u003c\/li\u003e\n\u003cli\u003eGraverMax G8\u003c\/li\u003e\n\u003cli\u003eGraverMach\u003c\/li\u003e\n\u003cli\u003eGraverMax SC\u003c\/li\u003e\n\u003cli\u003eGraverSmith\u003c\/li\u003e\n\u003cli\u003eClassic GraverMax \/ GraverMate\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eThis handpiece is not Airtact ready and is not compatible with the GraverMeister machine.\u003c\/strong\u003e An optional oval knob (part number 104.941) is available separately as a replacement for the included standard palm knob. This product contains nickel — see Proposition 65 information where applicable.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43580972007638,"sku":"104.940","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-940-magnum-handpiece-with-6-quick-change-holders-otto-frei.jpg?v=1719957862"},{"product_id":"grs-qc-901-quick-change-handpiece","title":"GRS QC 901 Quick-Change Handpiece With 6 Tool Holders","description":"\u003cp\u003eThe \u003cstrong\u003eGRS QC 901 Quick-Change Handpiece\u003c\/strong\u003e is a compact, high-performance engraving handpiece from Glendo GRS that combines small size with impressive power. Featuring breakthrough impact technology, the 901 delivers a wide power range alongside fine control — making it a versatile choice for a broad range of bench applications. Its comfortable, ergonomic shape includes an adjustable side hose connection for added convenience during extended use.\u003c\/p\u003e\n\u003cp\u003eBuilt from fully heat-treated stainless steel, the QC 901 is engineered for durability and precision. This handpiece includes 6 tool holders and is well suited for microscopic engraving, deep relief work, bead raising, and hammer setting. The QC 901 remains one of the most popular handpieces in the GRS lineup.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact design with high power output and wide power range\u003c\/li\u003e\n\u003cli\u003eBreakthrough impact technology for fine control across applications\u003c\/li\u003e\n\u003cli\u003eAdjustable side hose connection for flexible positioning\u003c\/li\u003e\n\u003cli\u003eComfortable, ergonomic shape for extended bench use\u003c\/li\u003e\n\u003cli\u003eIncludes 6 tool holders\u003c\/li\u003e\n\u003cli\u003eSuitable for microscopic engraving, deep relief work, bead raising, and hammer setting\u003c\/li\u003e\n\u003cli\u003eConstructed from fully heat-treated stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eFully heat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eRequires oil-free compressed air via compatible GRS engraving system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTool Holders Included\u003c\/th\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAirtact Compatible\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe GRS QC 901 requires a compatible GRS engraving system using oil-free compressed air. Compatible machines include the \u003cstrong\u003eGraverMach AT\u003c\/strong\u003e, \u003cstrong\u003eGraverMax G8\u003c\/strong\u003e, \u003cstrong\u003eGraverMach\u003c\/strong\u003e, \u003cstrong\u003eGraverMax SC\u003c\/strong\u003e, \u003cstrong\u003eGraverSmith\u003c\/strong\u003e, and \u003cstrong\u003eClassic GraverMax \/ GraverMate\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis handpiece is not Airtact ready and is not compatible with the GraverMeister machine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGRS QC 901 Quick-Change Handpiece\u003c\/li\u003e\n\u003cli\u003e6 tool holders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis product contains nickel and is subject to California Proposition 65 requirements.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43581148102870,"sku":"104.901","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/104.901NEW_thumb_9828c24d-3187-4546-8f17-8f8477549769.jpg?v=1733336005"},{"product_id":"jura-qc-collet-set-10-artgraver-handpiece-3-32-shank","title":"Jura QC Collet set of 10-For Jura Artgraver Handpiece","description":"\u003cp\u003eThe Jura QC Collet Set gives engravers and stonesetting professionals the precision tool-holding solution designed specifically for the Jura Artgraver handpiece. This set of 10 quick-change collets features a pointed profile engineered to let you work closer to the piece — the tapered shape ensures the collet edge stays clear of the workpiece even in tight, hard-to-reach areas. Whether you're working intricate engraving details or navigating confined settings, these collets are built to keep your tooling out of the way.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 10 quick-change (QC) collets for the Jura Artgraver handpiece\u003c\/li\u003e\n\u003cli\u003ePointed collet shape allows you to work closer to the piece\u003c\/li\u003e\n\u003cli\u003eTapered profile prevents the collet edge from contacting the work in hard-to-reach areas\u003c\/li\u003e\n\u003cli\u003eQuick-change design for fast, efficient tool swaps during engraving and stonesetting work\u003c\/li\u003e\n\u003cli\u003eAccepts 3\/32\" shank tools only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Handpiece\u003c\/th\u003e\n\u003ctd\u003eJura Artgraver Handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank Size\u003c\/th\u003e\n\u003ctd\u003e3\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003eSet of 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Type\u003c\/th\u003e\n\u003ctd\u003eQuick-Change (QC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProfile\u003c\/th\u003e\n\u003ctd\u003ePointed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eJura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Jura","offers":[{"title":"Default Title","offer_id":43583684182230,"sku":"134.496","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/jura-qc-collet-set-of-10-for-jura-artgraver-handpiece-otto-frei.jpg?v=1719956546"},{"product_id":"jura-grs-500-023-qc-collet-organizer-tray-10-collet-5mm","title":"Closeout Jura by GRS 500-023 QC Tool Organizer-Fits 10 x 5mm Diameter Collets","description":"\u003cp\u003eThe Jura by GRS 500-023 QC Tool Organizer Tray is a compact, purpose-built storage solution for quick change collets used with the Jura ArtGraver handpiece system. Molded from hard black nylon, this tray keeps up to 10 collets organized and within easy reach at the bench, eliminating time lost searching for the right tool during engraving or stonesetting work.\u003c\/p\u003e\u003cp\u003eSized to fit \u003cstrong\u003e5mm diameter tools\u003c\/strong\u003e — the standard diameter of original Jura quick change collets — each hole securely holds a single collet upright for fast identification and retrieval. The tray can also be drilled out to accommodate larger diameter GRS quick change collets, offering added flexibility for shops that use both systems.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHolds up to 10 quick change collets for organized bench access\u003c\/li\u003e\n\u003cli\u003eFits 5mm diameter tools — matches original Jura quick change collet diameter\u003c\/li\u003e\n\u003cli\u003eConstructed from hard black nylon for durability\u003c\/li\u003e\n\u003cli\u003eCan be drilled out to accommodate larger diameter GRS quick change collets\u003c\/li\u003e\n\u003cli\u003eCompact footprint keeps benchtop clutter to a minimum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e500-023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHard black nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Capacity\u003c\/th\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Diameter (fits)\u003c\/th\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e72mm x 31mm x 12mm (2-7\/8\" x 1-1\/8\" x 1\/2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis item is part of a closeout offering and may be available in limited quantities. The tray fits the original 5mm diameter Jura quick change collets as-is; accommodating larger GRS quick change collets requires drilling out the existing holes.\u003c\/p\u003e","brand":"Jura by GRS","offers":[{"title":"Default Title","offer_id":43583922176214,"sku":"134.499","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/closeout-jura-by-grs-500-023-qc-tool-organizer-fits-10-x-5mm-diameter-collets-otto-frei.jpg?v=1719956466"},{"product_id":"grs-004-947-maestro-original-handpiece-6-quick-change-holders","title":"GRS 004-947 Maestro Original Handpiece with 6 Quick Change Holders","description":"\u003cp\u003eThe GRS 004-947 Maestro Original Handpiece was the first in the Maestro line, designed especially for fine applications including scrimshaw. Its slim, wand-like shape delivers exceptional hand control, and its popularity quickly led users to request more power for a wider variety of engraving jobs.\u003c\/p\u003e\u003cp\u003eHand control can be easily expanded by adding an Airtact Thumb\/Finger element (sold separately). The handpiece is constructed from heat-treated stainless steel and solid brass for durability and precision feel in the hand.\u003c\/p\u003e\u003cp\u003eThis handpiece requires a compatible GRS engraving system using oil-free compressed air. Compatible systems include the GraverMach AT, GraverMax G8, GraverMach, GraverMax SC, GraverSmith, and Classic GraverMax\/GraverMate machines. \u003cstrong\u003eThis handpiece is not Airtact ready and is not compatible with the GraverMeister machine.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOriginal Maestro handpiece — designed for fine detail work and scrimshaw\u003c\/li\u003e\n\u003cli\u003eSlim, wand-like profile for enhanced hand control and comfort\u003c\/li\u003e\n\u003cli\u003eHeat-treated stainless steel and solid brass construction\u003c\/li\u003e\n\u003cli\u003eIncludes 6 quick-change holders for fast tool swaps\u003c\/li\u003e\n\u003cli\u003eAirtact Thumb\/Finger element can be added for hand-pressure control (sold separately)\u003c\/li\u003e\n\u003cli\u003eOperates on oil-free compressed air via a compatible GRS engraving system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-947\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterials\u003c\/th\u003e\n\u003ctd\u003eHeat-treated stainless steel and solid brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eOil-free compressed air (requires compatible GRS system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Holders\u003c\/th\u003e\n\u003ctd\u003e6 quick-change holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGlendo GRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGRS Maestro Original Handpiece\u003c\/li\u003e\n\u003cli\u003e6 quick-change holders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis handpiece is compatible with the following GRS engraving systems: GraverMach AT, GraverMax G8, GraverMach, GraverMax SC, GraverSmith, and Classic GraverMax\/GraverMate machines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot compatible with the GraverMeister machine. This handpiece is not Airtact ready.\u003c\/strong\u003e An Airtact Thumb\/Finger element may be added separately to enable hand control.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43584430702806,"sku":"104.947","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-947-maestro-original-handpiece-with-6-quick-change-holders-otto-frei.jpg?v=1719956197"},{"product_id":"grs-024-210-handpiece-storage-strip","title":"GRS 024-210 Handpiece Storage Strip","description":"This organizer keeps handpieces within easy reach. The included clips that fit the side of some commercial benches. It can also be mounted to a flat surface with the included hardware. \r\n\r\n","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43584831389910,"sku":"104.421","price":27.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-024-210-handpiece-storage-strip-otto-frei.jpg?v=1719955898"},{"product_id":"grs-004-983-hook-up-kit-california-air-compressors","title":"GRS 004-983 Hook-Up Kit for California Air Compressors","description":"\u003cp\u003eThe \u003cstrong\u003eGRS 004-983 Hook-Up Kit\u003c\/strong\u003e provides the proper hose and fittings required to connect a GRS Air System to a California air compressor. This kit ensures a correct, secure connection with matched sizing, giving engravers and stonesetting professionals a reliable air supply link between their compressor and GRS handpiece system.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically to connect GRS Air Systems to California air compressors\u003c\/li\u003e\n  \u003cli\u003eIncludes 50 ft (15.24 m) of 1\/4 in (6.35 mm) hose for flexible routing in the workspace\u003c\/li\u003e\n  \u003cli\u003eBrass fitting included for a durable, properly sized connection\u003c\/li\u003e\n  \u003cli\u003eEliminates guesswork on hose sizing and fitting compatibility for GRS systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-983\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eHose Length\u003c\/th\u003e\n\u003ctd\u003e50 ft (15.24 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eHose Diameter\u003c\/th\u003e\n\u003ctd\u003e1\/4 in (6.35 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eFitting Material\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCompatible System\u003c\/th\u003e\n\u003ctd\u003eGRS Air System\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCompatible Compressor Type\u003c\/th\u003e\n\u003ctd\u003eCalifornia air compressors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e50 ft (15.24 m) of 1\/4 in (6.35 mm) hose\u003c\/li\u003e\n  \u003cli\u003eBrass fitting\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43584926941398,"sku":"104.983","price":85.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-983-hook-up-kit-for-california-air-compressors-otto-frei.jpg?v=1719955800"},{"product_id":"grs-004-524-air-pen","title":"GRS 004-524 Air Pen","description":"\u003cp\u003eThe \u003cstrong\u003eGRS 004-524 Air Pen\u003c\/strong\u003e is a precision tool designed to cleanly remove chips, dust, and debris from your workpiece during engraving and stonesetting work. Its tapered cone shape and smaller opening direct airflow with accuracy, so you can clear your work surface without the risk of blowing away small findings or stones. The user controls airflow by simply depressing the button on the pen, giving you on-demand, regulated air exactly where you need it.\u003c\/p\u003e\u003cp\u003eThe Air Pen connects to the auxiliary port on compatible GRS machines or directly to a compressed air source, making it a versatile addition to your bench setup.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eControlled airflow via depressible button\u003c\/li\u003e\n\u003cli\u003eTapered cone nose for precise air direction\u003c\/li\u003e\n\u003cli\u003eSmaller opening reduces risk of displacing small findings\u003c\/li\u003e\n\u003cli\u003eConnects to GRS machine auxiliary port or directly to compressed air\u003c\/li\u003e\n\u003cli\u003eSleek, ergonomic design for comfortable bench use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGlendo GRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Source\u003c\/th\u003e\n\u003ctd\u003eGRS machine auxiliary port or compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlow Control\u003c\/th\u003e\n\u003ctd\u003eDepressible button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":44278430040278,"sku":"104.524","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-524-air-pen-otto-frei-1.jpg?v=1689359554"},{"product_id":"smartpro-air-do-x-stonesetter-engraver-micromotor","title":"SmartPro Air Do X Stonesetter, Engraver \u0026 Micromotor","description":"\u003cp\u003e\u003cstrong\u003eSmartPro Air Do X\u003c\/strong\u003e combines a pneumatic engraver and a high-speed micromotor in one compact, bench-friendly unit—complete with a \u003cstrong\u003ebuilt-in compressor\u003c\/strong\u003e so there's no separate air supply to buy or maintain. Designed for stone setting, light engraving, drilling, and polishing, it features digital LED controls, overload protection, and both hand and foot control for precise, repeatable work. An excellent all-around power tool for jewelers who need versatile bench capability without multiple machines.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo tools in one:\u003c\/strong\u003e Pneumatic engraver and 35,000 RPM micromotor in a single unit saves bench space and simplifies setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated air system:\u003c\/strong\u003e Internal pump delivers stable air pressure—no external compressor required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide speed range:\u003c\/strong\u003e 240–8,000 SPM engraving strokes; variable micromotor speed up to 35,000 RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital LED controls:\u003c\/strong\u003e Clear speed and mode display with quick tool selection, overload protection, and emergency stop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible control:\u003c\/strong\u003e Adjustable hand switch and foot switch for precise, hands-on operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-voltage power supply:\u003c\/strong\u003e 100–240 VAC, 50\/60 Hz—compatible worldwide with appropriate cord or adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in South Korea:\u003c\/strong\u003e Compact, reliable construction designed for long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eEngraver Stroke Rate\u003c\/th\u003e\n\u003ctd\u003e240–8,000 SPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMicromotor Speed\u003c\/th\u003e\n\u003ctd\u003eUp to 35,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMicromotor Torque\u003c\/th\u003e\n\u003ctd\u003e2.8 N·cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e100–240 VAC, 4.2 A, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControls\u003c\/th\u003e\n\u003ctd\u003eDigital LED display; hand \u0026amp; foot switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (L × W × H)\u003c\/th\u003e\n\u003ctd\u003e9-1\/2″ × 5-1\/8″ × 7-3\/8″ (240 × 130 × 185 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e11 lb (5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShip Weight\u003c\/th\u003e\n\u003ctd\u003e20 lb (9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSouth Korea\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicromotor handpiece with stand\u003c\/li\u003e\n\u003cli\u003eEngraver handpiece with flexible air tube\u003c\/li\u003e\n\u003cli\u003eFoot control\u003c\/li\u003e\n\u003cli\u003eSix 2.5 mm carbide gravers\u003c\/li\u003e\n\u003cli\u003eThree 2.5 mm ID collets\u003c\/li\u003e\n\u003cli\u003eThree 3.5 mm ID collets\u003c\/li\u003e\n\u003cli\u003e100–240 V power supply (50\/60 Hz)\u003c\/li\u003e\n\u003cli\u003eIEC C13 power cord with North American 3-prong plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStone setting — prongs, bezels, and pavé\u003c\/li\u003e\n\u003cli\u003eLight engraving on precious metals including gold\u003c\/li\u003e\n\u003cli\u003eDrilling, deburring, polishing, and general bench work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower level:\u003c\/strong\u003e Suited to jewelry-scale metals and stone setting. Not recommended for gun engraving or heavy production duty. Users familiar with GRS systems should note that power output is less than a GRS G8 system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet compatibility:\u003c\/strong\u003e SmartPro collets are \u003cem\u003enot\u003c\/em\u003e interchangeable with GRS collets—outside diameters differ.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug and voltage:\u003c\/strong\u003e For non-North American outlets, use a local IEC C13 cord or plug adapter as needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e 30-day return window (as-new condition, original packaging required). See FAQ for details.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Best Built","offers":[{"title":"Default Title","offer_id":44453732974806,"sku":"136.955","price":1326.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/smartpro-air-do-x-stonesetter-engraver-and-micromotor-otto-frei-1.jpg?v=1708017391"},{"product_id":"grs-004-926-quick-change-monarch-handpiece-kit","title":"GRS 004-926 Quick Change Monarch Handpiece Kit","description":"\u003cp\u003eThe GRS 004-926 Quick Change Monarch Handpiece Kit is engineered for engravers who demand the highest level of precision and control. Widely regarded as the finest impact handpiece available for ultra-fine engraving, the Monarch excels in demanding techniques such as bulino and banknote-style engraving. Its heat-treated stainless steel construction ensures lasting durability, while the adjustable side hose connection offers flexible positioning to suit a variety of working styles. The traditional knob shape provides a comfortable, familiar grip that allows for extended engraving sessions without fatigue.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the finest shading and cutting techniques in engraving\u003c\/li\u003e\n\u003cli\u003eIdeal for bulino, banknote-style, and other delicate, ultra-fine engraving work\u003c\/li\u003e\n\u003cli\u003eHeat-treated stainless steel construction for durability and long-term performance\u003c\/li\u003e\n\u003cli\u003eAdjustable side hose connection for flexible, ergonomic positioning\u003c\/li\u003e\n\u003cli\u003eTraditional knob shape delivers a comfortable, secure grip during extended use\u003c\/li\u003e\n\u003cli\u003eQuick-change design for efficient tool swaps during engraving work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e004-926\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eHeat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHose Connection\u003c\/th\u003e\n\u003ctd\u003eAdjustable side hose connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Style\u003c\/th\u003e\n\u003ctd\u003eImpact handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrip Shape\u003c\/th\u003e\n\u003ctd\u003eTraditional knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGlendo GRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProposition 65 Warning:\u003c\/strong\u003e This product may expose you to nickel, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":44469383135446,"sku":"104.926","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-926-quick-change-monarch-handpiece-kit-otto-frei.jpg?v=1708017391"},{"product_id":"grs-004-910-quick-change-901-handpiece-kit","title":"GRS 004-910 Quick Change 901® Handpiece Kit","description":"\u003cp\u003eThe GRS 004-910 Quick Change 901® Handpiece Kit is a compact, ergonomic handpiece designed to meet the demands of professional engravers and stone setters. Its comfortable shape accommodates most hand sizes, while the adjustable side hose connection provides flexible positioning during intricate work. Built from fully heat-treated stainless steel, this handpiece is engineered for durability and precision across a wide range of bench applications.\u003c\/p\u003e\u003cp\u003eWhether you are performing micro-engraving, deep relief work, bead raising, or hammer setting, the 901® Handpiece delivers consistent control and performance. Note that a standard foot control is required for operation but is \u003cem\u003enot included\u003c\/em\u003e with this kit.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompact, ergonomic shape comfortable for most hand sizes\u003c\/li\u003e\n\u003cli\u003eAdjustable side hose connection for flexible positioning\u003c\/li\u003e\n\u003cli\u003eSuited for micro-engraving, deep relief work, bead raising, and hammer setting\u003c\/li\u003e\n\u003cli\u003eFits most engraving and stone setting applications\u003c\/li\u003e\n\u003cli\u003eConstructed from fully heat-treated stainless steel for lasting durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eFully heat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHose Connection\u003c\/th\u003e\n\u003ctd\u003eAdjustable side hose connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Control\u003c\/th\u003e\n\u003ctd\u003eStandard foot control (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eA standard foot control is required for operation and is \u003cem\u003enot included\u003c\/em\u003e with this kit.\u003c\/li\u003e\n\u003cli\u003eThis product contains nickel. California Proposition 65 warning may apply.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":44469383168214,"sku":"104.910HPKIT","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-004-910-quick-change-901-r-handpiece-kit-otto-frei.jpg?v=1708017390"},{"product_id":"grs-magnum-oval-handpiece","title":"GRS Magnum® Oval Handpiece","description":"\u003cp\u003eThe GRS Magnum® Oval Handpiece delivers more usable power than the standard palm knob, thanks to its added weight and extended length. Designed for engravers and stone setters who prefer a handlebar-style grip, this handpiece accommodates larger hand sizes while offering precise control across the full power spectrum — from the finest shading work to heavy hammering. Whether you are executing delicate detail engraving or driving through tough material, the Magnum® Oval Handpiece handles the full range of demands with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdded weight and length\u003c\/strong\u003e provide more usable power than the standard palm knob\u003c\/li\u003e\n\u003cli\u003eDelivers a \u003cstrong\u003efull range of power\u003c\/strong\u003e — from the finest shading to heavy hammering\u003c\/li\u003e\n\u003cli\u003ePerforms reliably for both \u003cstrong\u003efine detail work and deep, aggressive cuts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHandlebar-style grip design accommodates \u003cstrong\u003elarger hand sizes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for \u003cstrong\u003eengraving and stone setting\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGlendo GRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Style\u003c\/th\u003e\n\u003ctd\u003eOval \/ Handlebar Grip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eEngraving, Stone Setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProp 65\u003c\/th\u003e\n\u003ctd\u003eContains Nickel — California Prop 65 Warning applies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":44469383233750,"sku":"104.940-OVAL","price":520.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-magnum-r-oval-handpiece-otto-frei.jpg?v=1708017390"},{"product_id":"grs-111-540-sam-alfano-chisel-handle","title":"GRS 111-540 Sam Alfano Chisel Handle","description":"\u003cp\u003eThe GRS 111-540 Sam Alfano Chisel Handle is designed to replicate the chisel setup used by master engraver Sam Alfano. Intended for hammer and chisel engraving work, this handle pairs with GRS QC Tool Holders to securely hold a graver during precise hand engraving applications. The combination of quality wood and durable brass construction delivers both a comfortable grip and a refined, professional appearance.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned to replicate Sam Alfano's chisel handle setup for hammer and chisel engraving work\u003c\/li\u003e\n\u003cli\u003eHolds a graver securely when used with GRS QC Tool Holders\u003c\/li\u003e\n\u003cli\u003eDurable brass construction adds strength and an attractive finish\u003c\/li\u003e\n\u003cli\u003eQuality wood body provides a comfortable, confident grip during detailed engraving\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis handle \u003cstrong\u003erequires\u003c\/strong\u003e the use of GRS QC Tool Holders (sold separately) to function as intended. It is not designed for use as a standalone handpiece.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":44469383332054,"sku":"101.540CH","price":88.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-111-540-sam-alfano-chisel-handle-otto-frei.jpg?v=1719954133"},{"product_id":"grs-005-995-gravermax-air-system-white-no-handpiece","title":"GRS 005-995 GraverMax White Only (No Handpiece)","description":"\u003cp\u003eFor decades, artisans, luxury stone setters, and production setters have relied on the GraverMax. This workhorse delivers a significant increase in power while maintaining the delicate startup essential for precision cutting. The streamlined internal design features a brushless DC motor for exceptional reliability, and precision-machined components guarantee the durability required for years of dependable service.\u003c\/p\u003e\n\u003cp\u003eThe GraverMax separates speed and power, giving users optimal control across a wide range of engraving and stone-setting applications. It features connections for two standard handpieces and one port for auxiliary air tools — such as the GRS Ultra 850 Rotary handpiece or GRS Air Pen. The included foot pedal provides intuitive handpiece control and is sized for easier bench use. The system itself has a smaller footprint than previous generations, freeing up valuable bench space.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This listing is for the GraverMax Air System only — \u003cstrong\u003ehandpieces are sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrushless DC motor for exceptional reliability and long service life\u003c\/li\u003e\n\u003cli\u003eSeparates speed and power for optimal control across engraving and stone-setting tasks\u003c\/li\u003e\n\u003cli\u003eTwo standard handpiece connections plus one auxiliary air tool port\u003c\/li\u003e\n\u003cli\u003eCompatible with auxiliary air tools such as the GRS Ultra 850 Rotary handpiece and GRS Air Pen\u003c\/li\u003e\n\u003cli\u003eOversized foot pedal for intuitive, comfortable handpiece control\u003c\/li\u003e\n\u003cli\u003eCompact footprint conserves valuable bench space\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components for long-term durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e005-995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Pressure Requirement\u003c\/th\u003e\n\u003ctd\u003eMinimum 45 psi (3 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Flow Requirement\u003c\/th\u003e\n\u003ctd\u003eMinimum 1.4 cfm (40 liters per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eClean, oil-free compressed air required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Requirements\u003c\/th\u003e\n\u003ctd\u003e100V\/220V at 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Connections\u003c\/th\u003e\n\u003ctd\u003e2 standard handpiece ports + 1 auxiliary air tool port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Type\u003c\/th\u003e\n\u003ctd\u003eBrushless DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGraverMax Air System (white)\u003c\/li\u003e\n\u003cli\u003eFoot pedal\u003c\/li\u003e\n\u003cli\u003eAir filter\u003c\/li\u003e\n\u003cli\u003ePower cord\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eHandpieces are \u003cstrong\u003enot included\u003c\/strong\u003e and must be purchased separately. Requires a clean, oil-free compressed air source capable of supplying a minimum of 45 psi (3 bar) and 1.4 cfm (40 liters per minute). This product is subject to California Proposition 65 warnings for lead, nickel, cobalt, and cadmium.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":46087938769110,"sku":"105.995","price":2025.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-995-gravermax-white-only-no-handpiece-otto-frei-1.jpg?v=1726697902"},{"product_id":"grs-gravermach-at-white-air-engraving-system","title":"GRS 005-965 GraverMach AT White Only","description":"\u003cp\u003eThe \u003cstrong\u003eGRS GraverMach AT White\u003c\/strong\u003e is an advanced air engraving system engineered for professional engravers, stone setters, and artisans who demand precise control and maximum power. The brushless DC motor and streamlined internal architecture deliver a substantial increase in power output while maintaining the delicate startup sensitivity required for fine, precision cutting. Precision-machined components throughout ensure long-term durability and consistent performance at the bench.\u003c\/p\u003e\n\n\u003cp\u003eA key advantage of the GraverMach AT White is its independent separation of speed and power, giving operators optimal control across a wide range of engraving and stonesetting applications. The system supports two simultaneously connected Airtact or standard handpieces plus one auxiliary air tool, allowing fast switching between setups without interruption. Airtact hand control handpieces integrate seamlessly to provide an intuitive, connected feel during use. Transitioning between hand control and foot control is as simple as turning a knob. The included foot pedal features an enlarged design for easier, more comfortable operation. The compact unit footprint minimizes bench space consumption — an important consideration in a production or studio environment.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrushless DC motor delivers increased power with smooth, sensitive startup for precision cutting\u003c\/li\u003e\n\u003cli\u003eIndependent speed and power adjustment for optimized control across multiple applications\u003c\/li\u003e\n\u003cli\u003eSupports two Airtact or standard handpieces and one auxiliary air tool simultaneously\u003c\/li\u003e\n\u003cli\u003eCompatible with Airtact hand control handpieces for enhanced tactile feedback\u003c\/li\u003e\n\u003cli\u003eInstant hand-to-foot control switching via single knob\u003c\/li\u003e\n\u003cli\u003eEnlarged foot pedal for comfortable, intuitive handpiece control\u003c\/li\u003e\n\u003cli\u003eCompact design preserves valuable bench space\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components for long-term reliability and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum Air Pressure Required\u003c\/th\u003e\n\u003ctd\u003e45 psi (3 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum Air Flow Required\u003c\/th\u003e\n\u003ctd\u003e1.4 cfm (40 liters per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply Requirement\u003c\/th\u003e\n\u003ctd\u003eClean, oil-free compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Input\u003c\/th\u003e\n\u003ctd\u003e100\/220V at 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Type\u003c\/th\u003e\n\u003ctd\u003eBrushless DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Connections\u003c\/th\u003e\n\u003ctd\u003eTwo Airtact or standard handpieces + one auxiliary air tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGraverMach AT White Air System\u003c\/li\u003e\n\u003cli\u003eFoot pedal\u003c\/li\u003e\n\u003cli\u003eAir filter\u003c\/li\u003e\n\u003cli\u003ePower cord\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with \u003cstrong\u003eGRS Standard\u003c\/strong\u003e and \u003cstrong\u003eGRS ATSS\u003c\/strong\u003e handpieces. Handpieces are sold separately.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eRequires clean, oil-free compressed air with a minimum pressure of \u003cstrong\u003e45 psi (3 bar)\u003c\/strong\u003e and a minimum flow rate of \u003cstrong\u003e1.4 cfm (40 liters per minute)\u003c\/strong\u003e. Electrical requirements: \u003cstrong\u003e100\/220V at 50\/60 Hz\u003c\/strong\u003e. This product is subject to California Proposition 65 warnings for Lead, Nickel, Cobalt, and Cadmium.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":46087938834646,"sku":"105.965","price":2397.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-965-gravermach-at-white-only-otto-frei-1.jpg?v=1726697907"},{"product_id":"grs-graversmith-air-system-005-895-white","title":"GRS 005-895 GraverSmith White Only","description":"\u003cp\u003eThe GRS GraverSmith Air System delivers essential engraving and stone-setting performance in a lean, space-conscious design — ideal for production stone setters, multi-station factory environments, and craftspeople seeking professional capability at an accessible price point. A brushless DC motor and streamlined internal architecture provide exceptional reliability, while precision-machined components ensure long-term durability under demanding bench conditions.\u003c\/p\u003e\u003cp\u003eThe GraverSmith is engineered to separate speed and power for optimal control across a wide range of engraving and setting applications. A single standard handpiece connection keeps the setup straightforward, and the redesigned larger foot pedal offers more intuitive, comfortable operation. Its compact footprint conserves valuable bench space — a practical advantage in both shared studios and production facilities.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHandpieces are sold separately.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrushless DC motor for exceptional reliability and long service life\u003c\/li\u003e\n\u003cli\u003eSeparates speed and power for precise, application-specific control\u003c\/li\u003e\n\u003cli\u003eSingle standard handpiece connection for straightforward setup\u003c\/li\u003e\n\u003cli\u003eRedesigned larger foot pedal for intuitive, ergonomic operation\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components for lasting durability\u003c\/li\u003e\n\u003cli\u003eCompact footprint preserves bench space\u003c\/li\u003e\n\u003cli\u003eWell-suited for production stone setting, multi-unit factory installations, and budget-conscious craftspeople\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Pressure Required\u003c\/th\u003e\n\u003ctd\u003eMinimum 45 psi (3 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Flow Required\u003c\/th\u003e\n\u003ctd\u003eMinimum 1.4 cfm (40 liters per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eClean, oil-free compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Requirements\u003c\/th\u003e\n\u003ctd\u003e100\/220 V at 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Type\u003c\/th\u003e\n\u003ctd\u003eBrushless DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Connections\u003c\/th\u003e\n\u003ctd\u003eSingle standard handpiece connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGraverSmith Air System\u003c\/li\u003e\n\u003cli\u003eFoot pedal\u003c\/li\u003e\n\u003cli\u003eAir filter\u003c\/li\u003e\n\u003cli\u003ePower cord\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eHandpieces are sold separately. Requires a clean, oil-free compressed air source supplying a minimum of 45 psi (3 bar) and 1.4 cfm (40 liters per minute). This product is subject to California Proposition 65 warnings for lead, nickel, cobalt, and cadmium.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":46087938867414,"sku":"105.895","price":1275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-895-graversmith-white-only-otto-frei-1.jpg?v=1726697912"},{"product_id":"grs-901-at-airtact-handpiece-stainless-engraving","title":"GRS 005-901-AT New Version 901-AT AirTact Handpiece","description":"\u003cp\u003eMaximize the power at your fingertips with the GRS 901-AT AirTact Handpiece, engineered for engravers and stone setters who demand intuitive, responsive control over every cut. The AirTact hand control system connects you to your work with remarkable precision, offering the flexibility to move seamlessly from the finest shading details to heavy hammering tasks—all within a single handpiece.\u003c\/p\u003e\u003cp\u003eThe 901-AT features predictable start-up and responsive hand actuation, giving you command over stroke force without interrupting your workflow. Its ergonomic handle is shaped to promote a natural hand position during both engraving and stone setting, reducing fatigue during extended sessions. Crafted from heat-treated stainless steel, this handpiece is built for the rigors of professional bench use with a simplified, ready-to-use design that gets you cutting faster.\u003c\/p\u003e\u003cp\u003eFor added versatility, the 901-AT can also be operated with a foot pedal, allowing you to choose the control method that best suits your technique. Backward compatible with the previous GraverMach AT, GraverMax, and GraverSmith air systems, this handpiece integrates smoothly into existing setups. Note that hand control requires an AirTact-compatible air system.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAirTact hand control delivers intuitive, responsive actuation for precise stroke control\u003c\/li\u003e\n\u003cli\u003eVersatile performance—suitable for fine shading through heavy hammering\u003c\/li\u003e\n\u003cli\u003eErgonomic handle shape promotes a natural hand position for engraving and stone setting\u003c\/li\u003e\n\u003cli\u003ePredictable start-up for consistent, confident cutting\u003c\/li\u003e\n\u003cli\u003eHeat-treated stainless steel construction for durability and longevity\u003c\/li\u003e\n\u003cli\u003eSimplified, ready-to-use design minimizes setup time\u003c\/li\u003e\n\u003cli\u003eCompatible with foot pedal operation for flexible control options\u003c\/li\u003e\n\u003cli\u003eBackward compatible with GraverMach AT, GraverMax, and GraverSmith air systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eHeat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Method\u003c\/th\u003e\n\u003ctd\u003eHand actuation (AirTact); foot pedal compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem Compatibility\u003c\/th\u003e\n\u003ctd\u003eRequires AirTact-compatible air system; backward compatible with GraverMach AT, GraverMax, and GraverSmith air systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant Count\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHand control requires an AirTact-compatible air system—verify system compatibility before use.\u003c\/li\u003e\n\u003cli\u003eThis product is subject to California Proposition 65 warnings (Cobalt).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":46087938900182,"sku":"105.901AT","price":490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-901-at-new-version-901-at-airtact-handpiece-otto-frei-1.jpg?v=1726697915"},{"product_id":"grs-monarch-921-at-airtact-handpiece","title":"GRS 005-921-AT New Version Monarch 921-AT AirTact Handpiece","description":"\u003cp\u003eThe GRS Monarch 921-AT AirTact Handpiece delivers impressive power despite its compact size. Designed for professional engravers and stone setters, it performs across a wide range of applications — from fine engraving styles such as bulino and banknote to heavier engraving and stone setting work. A predictable start-up and responsive hand actuation give the user intuitive, precise control over every cut.\u003c\/p\u003e\u003cp\u003eThe ergonomic handle shape promotes a natural hand position during both engraving and stone setting, reducing fatigue during extended use. Crafted from heat-treated stainless steel, the Monarch 921-AT offers high-quality construction with a simplified, ready-to-use design. For added flexibility, this handpiece can also be operated with a foot pedal.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eImpressive power in a compact, ergonomic form factor\u003c\/li\u003e\n\u003cli\u003eSuitable for fine engraving styles including bulino and banknote\u003c\/li\u003e\n\u003cli\u003eHandles heavier engraving and stone setting applications\u003c\/li\u003e\n\u003cli\u003ePredictable start-up with responsive hand actuation for intuitive control\u003c\/li\u003e\n\u003cli\u003eErgonomic handle shape supports a natural hand position\u003c\/li\u003e\n\u003cli\u003eConstructed from heat-treated stainless steel for durability\u003c\/li\u003e\n\u003cli\u003eSimplified, ready-to-use design\u003c\/li\u003e\n\u003cli\u003eCompatible with foot pedal operation for flexible control\u003c\/li\u003e\n\u003cli\u003eBackward compatible with the previous GraverMach AT, GraverMax, and GraverSmith air systems\u003c\/li\u003e\n\u003cli\u003eHand control requires an AirTact-capable air system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e005-921-AT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHeat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Method\u003c\/th\u003e\n\u003ctd\u003eHand actuation (AirTact) or foot pedal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd\u003eAirTact-capable air systems; backward compatible with GraverMach AT, GraverMax, and GraverSmith\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSystem Requirement:\u003c\/strong\u003e Hand control operation requires an AirTact-capable air system. This handpiece is backward compatible with the GraverMach AT, GraverMax, and GraverSmith air systems when using foot pedal operation.\u003c\/p\u003e\u003cp\u003eThis product contains cobalt. See California Proposition 65 warnings for details.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":46087938998486,"sku":"105.921AT","price":490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-921-at-new-version-monarch-921-at-airtact-handpiece-otto-frei-1.jpg?v=1726697918"},{"product_id":"grs-gravermach-at-white-foot-pedal-handpiece-005-965","title":"GRS 005-965 GraverMach AT White with Foot Pedal \u0026 Handpiece","description":"\u003cp\u003eDesigned for artisans seeking advanced control with dependable power, the Next Generation \u003cstrong\u003eGRS GraverMach AT White\u003c\/strong\u003e delivers a substantial increase in cutting force while preserving the delicate, predictable startup engravers and setters require. A brushless DC motor and simplified internal design enhance reliability, while precision-machined components provide long service life. Separate speed and power controls give you optimal tuning for a wide range of applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower with finesse:\u003c\/strong\u003e increased impact power plus delicate startup for fine shading and controlled cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible control:\u003c\/strong\u003e twist a knob to switch seamlessly between hand (Airtact) and foot control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-tool workflow:\u003c\/strong\u003e connect two Airtact or standard handpieces and one auxiliary air tool; switch between them in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact bench footprint:\u003c\/strong\u003e frees space while keeping controls accessible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e brushless motor, streamlined air path, and robust, precision-machined parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eClean, oil-free compressed air, minimum 45 psi (3 bar) and 1.4 cfm (≈40 L\/min) flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e100\/220 V, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Type\u003c\/th\u003e\n\u003ctd\u003eBrushless DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Modes\u003c\/th\u003e\n\u003ctd\u003eHand (Airtact) and foot pedal; switchable by knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Connections\u003c\/th\u003e\n\u003ctd\u003eTwo Airtact or standard handpieces plus one auxiliary air tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eIncluded Handpiece(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.965A\u003c\/td\u003e\n\u003ctd\u003e901AT Airtact handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.965B\u003c\/td\u003e\n\u003ctd\u003e921AT (Monarch AT) handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.965C\u003c\/td\u003e\n\u003ctd\u003e901AT and 921AT Airtact handpieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.965D\u003c\/td\u003e\n\u003ctd\u003e901AT Airtact, 921AT Airtact, and NSK Ultra 850 Rotary handpieces — Ultra 850 runs up to 320,000 rpm; accepts 1\/16\" (1.6 mm) shank burs; requires ~1.3 cfm at 30–35 psi (2–2.5 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGraverMach AT White air system (next generation)\u003c\/li\u003e\n\u003cli\u003eLarge foot pedal (increased size for easier use)\u003c\/li\u003e\n\u003cli\u003eAir filter\u003c\/li\u003e\n\u003cli\u003ePower cord\u003c\/li\u003e\n\u003cli\u003eHandpiece(s) per selected option (see Available Options)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAirtact handpieces provide hand-actuated control and may also be operated via the supplied foot pedal.\u003c\/li\u003e\n\u003cli\u003eFor rotary work, select option 105.965D, which includes the NSK Ultra 850; verify compressor capacity meets the rotary tool requirement of ~1.3 cfm at 30–35 psi.\u003c\/li\u003e\n\u003cli\u003eThis product is subject to California Proposition 65 warnings for Lead, Nickel, Cobalt, and Cadmium.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"901AT Airtach HP","offer_id":46129186963670,"sku":"105.965A","price":2885.0,"currency_code":"USD","in_stock":true},{"title":"921AT Airtach HP","offer_id":46129186996438,"sku":"105.965B","price":2885.0,"currency_code":"USD","in_stock":true},{"title":"901AT \u0026 921AT Airtact HP","offer_id":46129187029206,"sku":"105.965C","price":3375.0,"currency_code":"USD","in_stock":true},{"title":"901AT Airtact HP, 921AT Airtact HP \u0026 850 Rotary HP","offer_id":46129187061974,"sku":"105.965D","price":3923.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-965-gravermach-at-white-with-foot-pedal-and-handpiece-otto-frei.jpg?v=1726697922"},{"product_id":"grs-gravermax-white-air-system-foot-pedal-handpiece","title":"GRS 005-995 GraverMax White with Your Choice of Handpieces","description":"\u003cp\u003eThe \u003cstrong\u003eGRS GraverMax White Air System\u003c\/strong\u003e delivers more power, smoother control, and exceptional reliability for professional engravers and stone setters. Building on decades of proven performance, this updated model combines precision machining with a brushless DC motor for long-lasting, maintenance-free operation. Choose from nine handpiece configurations to match your specific workflow.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncreased Power \u0026amp; Control:\u003c\/strong\u003e Enhanced energy delivery for heavier cuts while maintaining delicate start-up sensitivity for fine work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Handpiece Ports:\u003c\/strong\u003e Operate up to two standard GRS air handpieces plus one auxiliary port for tools like the GRS Ultra 850 Rotary Handpiece or GRS Air Pen.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFoot Pedal Control:\u003c\/strong\u003e Enlarged pedal for smoother response and comfort during extended sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e Saves bench space without compromising functionality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrushless DC Motor:\u003c\/strong\u003e Precision-machined internal components for years of reliable, maintenance-free service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eAir Supply\u003c\/th\u003e\n\u003ctd\u003eClean, oil-free compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMinimum Air Pressure\u003c\/th\u003e\n\u003ctd\u003e45 psi (3 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAir Flow\u003c\/th\u003e\n\u003ctd\u003e1.4 cfm (40 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eElectrical Requirements\u003c\/th\u003e\n\u003ctd\u003e100–220V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMotor Type\u003c\/th\u003e\n\u003ctd\u003eBrushless DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eIncluded Handpiece(s)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995A\u003c\/td\u003e\n\u003ctd\u003eMagnum 940HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995B\u003c\/td\u003e\n\u003ctd\u003eQuick Change 901HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995C\u003c\/td\u003e\n\u003ctd\u003eMonarch 921HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995D\u003c\/td\u003e\n\u003ctd\u003eMagnum 940HP \u0026amp; Quick Change 901HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995E\u003c\/td\u003e\n\u003ctd\u003eMagnum 940HP \u0026amp; Monarch 921HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995F\u003c\/td\u003e\n\u003ctd\u003eQuick Change 901HP \u0026amp; Monarch 921HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995G\u003c\/td\u003e\n\u003ctd\u003eMagnum 940HP, Quick Change 901HP, \u0026amp; 850 Rotary HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995H\u003c\/td\u003e\n\u003ctd\u003eMagnum 940HP, Monarch 921HP, \u0026amp; 850 Rotary HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e105.995J\u003c\/td\u003e\n\u003ctd\u003eMonarch 921HP, Quick Change 901HP, \u0026amp; 850 Rotary HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eRequires a clean, oil-free compressed air source. California Prop 65 warning applies—see product tags. For optimal performance, use with genuine GRS handpieces and air tools.\u003c\/p\u003e","brand":"Glendo GRS","offers":[{"title":"Magnum 940HP","offer_id":46129187127510,"sku":"105.995A","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"Quick Change 901HP","offer_id":46129187160278,"sku":"105.995B","price":2450.0,"currency_code":"USD","in_stock":true},{"title":"Monarch 921HP","offer_id":46129187193046,"sku":"105.995C","price":2450.0,"currency_code":"USD","in_stock":true},{"title":"Magnum 940HP \u0026 Quick Change 901HP","offer_id":46129187225814,"sku":"105.995D","price":2925.0,"currency_code":"USD","in_stock":true},{"title":"Magnum 940HP \u0026 Monarch 921HP","offer_id":46129187258582,"sku":"105.995E","price":2925.0,"currency_code":"USD","in_stock":true},{"title":"Quick Change 901HP \u0026 Monarch 921HP","offer_id":46129187291350,"sku":"105.995F","price":2875.0,"currency_code":"USD","in_stock":true},{"title":"Magnum 940HP, Quick Change 901HP\t\u0026 850 Rotary HP","offer_id":46129187324118,"sku":"105.995G","price":3471.0,"currency_code":"USD","in_stock":true},{"title":"Magnum 940HP, Monarch 921HP \u0026 850 Rotary HP","offer_id":46129187356886,"sku":"105.995H","price":3471.0,"currency_code":"USD","in_stock":true},{"title":"Monarch 921HP, Quick Change 901HP \u0026 850 Rotary HP","offer_id":46129187389654,"sku":"105.995J","price":3421.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-995-gravermax-white-with-your-choice-of-handpieces-otto-frei.jpg?v=1726697923"},{"product_id":"grs-graversmith-white-air-engraving-system-with-handpiece","title":"GRS 005-895 GraverSmith White with Your Choice of Handpiece","description":"\u003cp\u003eThe \u003cstrong\u003eGRS GraverSmith White\u003c\/strong\u003e air system delivers essential functionality without sacrificing power or precision. Designed for production stone setters, multiple factory installations, and craftspeople on a budget, this next-generation engraving system combines a brushless DC motor with a streamlined internal design for exceptional reliability. Precision-machined components provide the durability needed for years of dependable bench service.\u003c\/p\u003e\u003cp\u003eThe GraverSmith separates speed and power, giving you optimal control across a wide variety of engraving and stone-setting applications. A single standard handpiece connection keeps setup straightforward, while the redesigned larger foot pedal offers intuitive, comfortable control during extended use. The compact footprint frees up valuable bench space — an important consideration in busy production environments.\u003c\/p\u003e\u003cp\u003eEach configuration ships with your choice of handpiece: the Magnum 940, Quick Change 901, or Monarch 921. Select the option that best suits your working style and application needs.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrushless DC motor for exceptional reliability and long service life\u003c\/li\u003e\n\u003cli\u003eStreamlined internal design with precision-machined components\u003c\/li\u003e\n\u003cli\u003eSeparates speed and power for optimal application control\u003c\/li\u003e\n\u003cli\u003eSingle standard handpiece connection\u003c\/li\u003e\n\u003cli\u003eRedesigned larger foot pedal for intuitive, easier use\u003c\/li\u003e\n\u003cli\u003eCompact footprint preserves valuable bench space\u003c\/li\u003e\n\u003cli\u003eSuited for production stone setting, factory installations, and budget-conscious craftspeople\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAir Requirement\u003c\/th\u003e\n\u003ctd\u003eClean, oil-free compressed air; minimum 45 psi (3 bar); 1.4 cfm (40 liters per minute)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical\u003c\/th\u003e\n\u003ctd\u003e100\/220V at 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Type\u003c\/th\u003e\n\u003ctd\u003eBrushless DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Connections\u003c\/th\u003e\n\u003ctd\u003eSingle standard handpiece connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eIncluded Handpiece\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.895A\u003c\/td\u003e\n\u003ctd\u003eMagnum 940 Handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.895B\u003c\/td\u003e\n\u003ctd\u003eQuick Change 901 Handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e105.895C\u003c\/td\u003e\n\u003ctd\u003eMonarch 921 Handpiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGRS GraverSmith White air system unit\u003c\/li\u003e\n\u003cli\u003eFoot pedal\u003c\/li\u003e\n\u003cli\u003eYour choice of handpiece (Magnum 940, Quick Change 901, or Monarch 921)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRequires a clean, oil-free compressed air source — not included\u003c\/li\u003e\n\u003cli\u003eThis product may be subject to Proposition 65 warnings regarding lead, nickel, cobalt, and cadmium exposure\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Magnum 940HP","offer_id":46129187455190,"sku":"105.895A","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"Quick Change 901HP","offer_id":46129187487958,"sku":"105.895B","price":1700.0,"currency_code":"USD","in_stock":true},{"title":"Monarch 921HP","offer_id":46129187520726,"sku":"105.895C","price":1700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-005-895-graversmith-white-with-your-choice-of-handpiece-otto-frei.jpg?v=1726697924"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/smartpro-air-do-x-stonesetter-engraver-and-micromotor-otto-frei-2.jpg?v=1759020364","url":"https:\/\/www.ottofrei.com\/collections\/engraving-systems-handpieces-jewelry.oembed","provider":"Otto Frei","version":"1.0","type":"link"}