Testing Stone in Wooden Box Hyfin Compound - An ideal tool for

- An ideal tool for a range of professional uses including:

Product weight: Approx

2 * 34mm Diameter Lens

In nickelled brass

Bergeon 6830-S08

Testing Stone in Wooden Box Hyfin Compound - An ideal tool forPrecision 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