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A dependable bench tool for everyday ring sizing
222 spring designation — heavier than the 217 spring
Magnification × Field of View: 2
Screw-Lok Felt Wheels
and 15mm diameter
Large Gold Test Stone Natural Stone - 6" x 4" Prop 65 - Ceramic A dependable bench tool forThe 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
US$ 640.50
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US$ 822.50
