Dremel 83142 Silicon Carbide Grinding Stone

Dremel 83142 Specifications: • Bit Diameter: 9/32" (7.1 mm) • Color Code: Green • Shank Diameter 1/8" (3.2 mm) • Model Number: 83142 Dremel 83142 Features: • Ideal for sharpening, deburring and general purpose grinding on harder materials including stone, glass, ceramic, porcelain, gemstones and non-ferrous metals. • Specially designed for working with conic and flat surfaces. • For best results, insert the accessory bit all the way into the tool and then back it out slightly before tightening down. This provides plenty of shank for the collet or chuck to hold onto the bit.