{"product_id":"st720","title":"ST720 = Natural Testing Stone 5\" x 2\" in Wood Box","description":"\u003cp\u003eA genuine, natural obsidian for scratch testing silver, platinum and gold with gold testing solutions. Rub the article to be tested on the stone and apply the testing solution to the mark to determine the karat value.\u003cbr\u003e\u003cbr\u003eThis stone come in a wood storage box with magnetic closures.\u003c\/p\u003e","brand":"JSP","offers":[{"title":"Default Title","offer_id":51106777727261,"sku":"ST720","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/1044\/0733\/files\/st720-l2.jpg?v=1774986980","url":"https:\/\/fdjtool.com\/products\/st720","provider":"FDJtool","version":"1.0","type":"link"}