Premium Gold Test Stone-Made in the USA 3" x 1-5/8" x 1/4" Economy SummaPoint 616 — Cone

SummaPoint 616 — Cone

File length is measured from the tip to the end of the cut and does not include the tang

5 mm 624-27 2" 50

Available in multiple precious metal configurations

Premium Gold Test Stone-Made in the USA 3" x 1-5/8" x 1/4" Economy SummaPoint 616 — ConeA 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