Die Grinder Accessory 3M Bristle Disc Mandrel 27680, 3/32 In X 1/16 In, 5 Count(Pack Of 1 3/32 Inch Chuck Mandrel Attaches bristle discs to rotary tools for cleaning, blending and finishing 3M™ Bristle Disc Mandrel 27680 | JAM Industrial Supply Use with small radial bristle discs 1 inch diameter or smaller with 1/16 inch diameter center hole Our 3M™ Bristle Disc Mandrel is a tool attachment that holds a small abrasive bristle disc (sold separately). Together, the mandrel and disc enable the user to clean, blend, or finish hard-to-reach areas of a work piece, such as inside corners, complex angles and curves 3M Bristle Disc Mandrel is a tool attachment that holds a small abrasive bristle disc (sold separately). Great Deal On 3M 7543 3 Scotch-Brite Radial Bristle Discs 80 Grade Medium Yellow P 21870 Suitable for speeds up to 30,000 RPMs , Max RPM is 30,000