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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
round bezel block (127
533 Control Box
Highly polished surface minimizes marks transferred to metal
Service: Factory service is performed by Badeco at 8 rue de la Coulouvrenière
Use only accessories rated for at least 40
Premium Gold Test Stone-Made in the USA 3" x 1-5/8" x 1/4" WR Cobb round bezel block (127A 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
