Large Gold Test Stone Natural Stone - 6" x 4" Ring Sizers & Stretchers Heat will not transfer through

Heat will not transfer through the ceramic to the metal portion of the tweezers

and media — no additional purchases required to start

highly polished Hardness 50rc (Rockwell scale) Handle Material Padauk wood Country of Origin Vietnam Notes

Round parallel (cylinder) profile — no taper

Suitable when no Coalescing Filter is already present on the compressor output

Large Gold Test Stone Natural Stone - 6" x 4" Ring Sizers & Stretchers Heat will not transfer throughThe 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