Pack-6 Supra MM Stiff 1/4" Trim Natural Bristle Cup Brushes 9/16" Diameter Mounted on 3/32" Shanks Polishing Wheels & Rods and hardened to 50C on

and hardened to 50C on the Rockwell scale—built to Michael Good's exacting specifications by the Fretz factory

The Round Barrel Shaped Millgrain Tool Handle is a professional-grade wooden handle designed to securely hold millgrain wheels and other small tools

Weighing 3 ounces

600 strokes per minute

Stays sharper longer than machine-cut Tungsten Vanadium Carbon Steel burs

Pack-6 Supra MM Stiff 1/4" Trim Natural Bristle Cup Brushes 9/16" Diameter Mounted on 3/32" Shanks Polishing Wheels & Rods and hardened to 50C onSupra MM Stiff Natural Bristle Cup Brushes deliver premium performance for jewelers and metalsmiths working on flat, curved, small, and hard to reach surfaces. At 9 16" in diameter with a 1 4" trim length and mounted on 3 32" shanks, these miniature cup brushes are purpose built for fine detail finishing and polishing work. Crafted from natural animal hair, the bristle filaments are permanently anchored in a solid steel ring and uniformly distributed