3M 9/16" Radial Bristle Discs Kit Brushes which uses a proprietary hose

which uses a proprietary hose connection

Precision manufactured in England

Part Number GRS 003-527 Pin Diameter 0

and general jewelry tasks — without the need for bottled oxygen or a bulky oxygen regulator

Engineered with a thinner frame than the DRM 110 line

3M 9/16" Radial Bristle Discs Kit Brushes which uses a proprietary hose3M Radial Bristle Discs deliver long lasting, effective polishing and finishing without the need for separate polishing compound it's built right into the bristles. Simply stack the individual discs onto the included pin hole mandrel and use them like a natural bristle brush. Four to six discs stacked together make an excellent brush, giving you a flexible, rechargeable free polishing tool that runs cool to help prevent heat damage and delivers a