Jura by GRS 500-010 Inside Ring Holder Clamp Prop 65 - Beryllium-Carbon Black-Nickel-Lead A professional-grade gold testing stone

A professional-grade gold testing stone for precious metal identification

5 × 5mm Head Length 65mm (2‑1/2") Head Weight 1

Hand stick holder is adjustable to hold smaller pieces of sticks

Size 10 oz aerosol can Application Method Aerosol spray Recommended Spray Distance Approximately 7 inches from mold surface Compatible Mold Materials Iron and steel ingot molds Lubricant Type Natural lubricants Country of Origin USA Notes

Roll Width 76mm Roll Diameter 43mm Position Upper roll replacement Compatible Metals Copper

Jura by GRS 500-010 Inside Ring Holder Clamp Prop 65 - Beryllium-Carbon Black-Nickel-Lead A professional-grade gold testing stoneJura is a master stonesetter from the Netherlands who specializes in the highest quality micro stonesetting. Over the years, he developed a range of specialized holding tools designed to secure a wide variety of items during the stonesetting processmost notably rings, but also watch cases, beads, brooches, and pendants. The Inside Ring Holder Clamp is part of this professional tooling system, built to meet the precise demands of micro pav stonesetting