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.

Dynabrade 95848 Dynabrade Gear Oil
Standard Abrasives 712149, Aluminum Oxide Handy Roll, P100 J-weight, 1-1/2 in x 50 yd, 7010295370
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Standard Abrasives 707195, Aluminum Oxide Handy Roll, P80 J-weight, 2 in x 50 yd, 7100031626
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 19772, Utility Cloth Sheet 314D, 9 in x 11 in P80 J-weight, 7000000359
Dynabrade 93650 5" Dia. x 3/4" CH 40/50 Grit Side Spoked Diamond Cut-Off Wheel
Standard Abrasives 713276, Aluminum Oxide Handy Roll, P180 J-weight, 2 in x 50 yd, 7100037246
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 19768, Utility Cloth Sheet 314D, 9 in x 11 in P180 J-weight, 7000000356
3M 19769, Utility Cloth Sheet 314D, 9 in x 11 in P150 J-weight, 7000000357
3M 35124, Grippy Sanding Cloth Trial Kit, 7100230957
3M 22392, Roloc Disc 361F, 24 YF-weight, TR, 3 in, Die R300V, 7000045090 
