Premium Gold Test Stone-Made in the USA 3" x 1-5/8" x 1/4" Kagan Unlike pine or rubberwood construction

Unlike pine or rubberwood construction found in imported benches

Compatible with Bergeon tool Part # 801596819

85mm Plunger W/Spring is a precision replacement plunger designed for use with Bergeon watch bracelet sizing tools

5 mm Link Length 6 mm Link Inner Dimensions 4

Part # Metal Stone Size 20-60 14K Yellow

Premium Gold Test Stone-Made in the USA 3" x 1-5/8" x 1/4" Kagan Unlike pine or rubberwood constructionA professional grade gold testing stone made in the USA from natural Arkansas black novaculite, quarried and cut domestically. Used by jewelers and metalsmiths to test precious metals, this stonealso known as a streak stone or touchstoneprovides a reliable surface for acid based karat testing. Beware of cheap imitations made of glass, which stain and degrade quickly under repeated use. To test a metal item, rub or scratch it across the stone's