{"product_id":"large-natural-test-stone-6x3-wood-box-eurotool","title":"Large Natural Test Stone 6\" x 3\" In Wood Box","description":"\u003cp\u003eThe Large Natural Test Stone is an essential tool for jewelers and metalsmiths who need to verify the karat value of precious metals. This professional-grade stone allows you to test silver, platinum, and gold with accuracy and confidence. The generous 6\" x 3\" surface area provides ample working space for performing multiple streak tests, making it well-suited for busy bench work. Each stone arrives ready to use and is presented in a wood storage box with a magnetic closure, keeping the stone protected and secure between uses.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarge 6\" x 3\" testing surface provides generous workspace for streak testing\u003c\/li\u003e\n\u003cli\u003eTests silver, platinum, and gold to determine karat value\u003c\/li\u003e\n\u003cli\u003eNatural stone construction for reliable, professional-grade testing\u003c\/li\u003e\n\u003cli\u003eIncluded wood storage box with magnetic closure protects the stone when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e6\" x 3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBox Type\u003c\/th\u003e\n\u003ctd\u003eWood box with magnetic closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Metals\u003c\/th\u003e\n\u003ctd\u003eSilver, platinum, gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eEurotool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 large natural test stone (6\" x 3\")\u003c\/li\u003e\n\u003cli\u003eWood storage box with magnetic closure\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eurotool","offers":[{"title":"Default Title","offer_id":43583579128022,"sku":"156.715","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/large-natural-test-stone-6-x-3-in-wood-box-otto-frei.jpg?v=1719956601","url":"https:\/\/www.ottofrei.com\/products\/large-natural-test-stone-6x3-wood-box-eurotool","provider":"Otto Frei","version":"1.0","type":"link"}