The shank of the mandrel must match the size of the power tool collet or drill chuck, and the pilot diameter must be compatible with the size of the cartridge roll.
3M 45116, Cartridge RoII Mandrel, 1/4 in x 1-1/2 in x 1/4 in, 7010328350
$4.58
Factory Stock, 7-10 Day Leadtime
3M Cartridge Roll Mandrel is a tool attachment that holds an abrasive cartridge roll (sold separately). Together, the mandrel and cartridge roll enable the user to grind or finish hard-to-reach areas of a workpiece, such as angles and curves. The mandrel attaches to a rotary tool such as a die grinder or drill, and comes in different sizes to fit a variety of cartridge roll sizes.

3M 14884, Cloth Belt 777F, 80 YF-weight, 2 in x 72 in, Film-lok, Single-flex, 7000118453, 50 per case
3M 26568, Cloth Belt 341D, 50 X-weight, 2 in x 48 in, Film-lok, Single-flex, 7010361745, 50 per case
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M™ 72010, Replacement Filter Kit 523-01-29, 7000056891, 1 EA/Case
Dynabrade 40321 Dynafile II Abrasive Belt Tool Versatility Kit
Dynabrade 40353 Dynafile II Abrasive Belt Tool, for Non-Woven Nylon Belts
3M 20911, PSA Cloth Disc 348D, 50 X-weight, 2 in x NH, Die 200P, 7000118871 
