Otto Frei

The Stackable Matte Gray Aluminum Stone Tray is an essential workbench companion for diamond setters and stone setters. Crafted from aluminum with ...

The Stackable Matte Black Aluminum Stone Tray is purpose-built for diamond setters who need a reliable, organized workspace. Its matte black finish...

Presidium AC Adaptors provide reliable mains power for a range of Presidium gem-testing instruments, replacing or supplementing battery operation. ...

All Purpose Pink 9–18 Casting & Fabricating Master Alloy is a versatile master alloy formulated to cover a wide range of duties in both casting...

These European compressed charcoal blocks are imported from Poland and made of dense compressed charcoal, making them harder and heavier than stand...

The 10X Triplet Loupe with 18 mm Diameter Lens is a professional-grade magnifier built for diamond grading, gemstone evaluation, and detailed bench...

The 10X Triplet Loupe with 18 mm Diameter Lens is a professional-grade magnifier built for diamond grading, gemstone evaluation, and fine detail in...

The professional standard for diamond grading and gemstone inspection, this 10X triplet loupe delivers high-clarity magnification at an exceptional...

Learn how to solder jewelry in this video workshop presented by master craftsman Joe Silvera. With Joe as your guide, you'll learn to make soldered...

Extra hard felt wheel buffs are made from tightly compressed wool felt for firm, consistent polishing performance. Designed for all-purpose polishi...

Very fine charcoal powder used in the granulation technique, as favored by noted metalsmith Kent Raible. This ultra-fine powder is highly airborne ...

Keep your plating setup running without interruption with these replacement lead wires. Designed for use with plating machines, this pair of lead w...

Designed primarily for hydraulic die forming, this 95 durometer urethane pad is specially formulated for increased cut-resistance and memory retent...

The Ear Piercing Counter Display Unit is a purpose-built retail display designed for professional jewelry counters. Compact and ready for counter p...

This 14K white gold box clasp features a classic brick design with an integrated safety, offering a secure and refined closure for fine jewelry cha...

These cast round bezel settings feature integrated inline rings, offering a clean, low-profile look suitable for a wide range of fine jewelry appli...

No need to add solder — these 14K Yellow Gold solder-filled round jump rings are made from a special wire with an integrated solder core. Simply ap...

Oval Genuine 11x9mm Nephrite Jade Cabochon brings the rich, earthy character of authentic nephrite jade to your jewelry designs. Each cabochon feat...

These Otto Frei stainless steel diamond tweezers are superbly balanced and well made, rivaling the quality of Swiss Made diamond tweezers at a frac...

The Wood Round Stepped Bracelet Mandrel is a professional-grade forming tool turned from one solid piece of hardwood. Featuring four stepped diamet...

These straight brass wire end brushes deliver a pronounced finish ideal for cleaning, deburring, and surface finishing on yellow metals such as cop...

Metallon is a convenient non-stick ingot mold lubricant spray designed to ensure clean, easy metal release from iron and steel ingot molds. Formula...

Premium Pink 9–14K Casting Master Alloy is formulated for jewelers and casters who demand a rich, consistent pink color result in gold alloys rangi...

These marquise V-end double gallery 2-prong cast settings are designed for professional jewelers seeking a refined, secure mount for marquise-cut s...

This set of three miniature wax files is designed for precision wax carving and detailing work, giving jewelers and metalsmiths access to those har...

These cast marquise settings feature V-end prongs and a single gallery design engineered to securely hold marquise-cut stones. Available in 14K yel...

Keep your 3/32" shank burs organized and protected with this purpose-built wooden storage box. Featuring 72 individual holes sized specifically for...

These lightweight 4mm ball earring posts with attached open rings are an ideal choice for professional jewelers building or restocking earring find...

These lightweight V-bails feature an opening and are produced using a die-struck construction method, making them a reliable component for pendant ...

The EZ Lap 201 Wallet Diamond Stone in fine grit is a compact sharpening solution designed for jewelers, metalsmiths, and craftspeople who need rel...

These 14K yellow gold unmarked chain tags are designed for professional jewelers who need to apply their own hallmark stamps. Each tag measures 9.7...