3M 1" Radial Bristle Discs Kit Investment providing consistent contact across the

providing consistent contact across the interior ring surface for an even finish

All drills mounted on 3/32 in (2

Size range: 8 × 10 mm to 22 × 28 mm

and Plastiform for secure

3M 1" Radial Bristle Discs Kit Investment providing consistent contact across the3M Radial Bristle Discs are long lasting and highly effective polishing tools designed for jewelers and metalsmiths. Stack them on a mandrel and use them like natural bristle brushes with one key advantage: no polishing compound is needed. The compound is built directly into the bristles. Simply stack the individual discs on the included pin hole mandrel. Use one disc or as many as you can fit four to six discs make an excellent brush and you are