Large Gold Test Stone Natural Stone - 6" x 4" Watch Tools LA2415-140-2 (131

LA2415-140-2 (131

Attaches to bench or table

Simply rub the cone in a small dish with a few drops of water to create a smooth

The punch handle features a set screw to secure each punch and a metal insert at the top of the handle

200mm (7-7/8") needle files

Large Gold Test Stone Natural Stone - 6" x 4" Watch Tools LA2415-140-2 (131The Large Gold Test Stone from Eurotool is a natural stone cut to a generous 6" x 4" size, ideal for professional gold testing in a jeweler's bench or assay station. Gold test stonesalso known as touchstonesare used to assess the karat or purity of gold alloys by observing the streak left when metal is rubbed across the stone's fine grained surface. The larger format of this stone provides ample working area, allowing multiple test streaks to be