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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
In nickelled brass
Double Ended
Height 300mm
Product weight: Approx
Testing Stone in Wooden Box Hyfin Compound In nickelled brassPrecision testing doesn't require compromises. Our gold testing stone is an essential tool for jewellers and retailers who demand accurate results without risking damage to precious pieces. Simply rub the stone across your gold item to remove surface plating, then apply your testing acid to the stone rather than directly to the metal. This proven two step method reveals the true gold content while protecting your inventory from acid discolouration and
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