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 45120, Cartridge RoII Mandrel, 3/32 in x 3/4 in x 1/4 in, 7010328349
$4.51
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 19770, Utility Cloth Sheet 314D, 9 in x 11 in P120 J-weight, 7000000358
3M 19773, Utility Cloth Sheet 314D, 9 in x 11 in P60 X-weight, 7000000360
3M 19766, Utility Cloth Sheet 314D, 9 in x 11 in P240 J-weight, 7000000354
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
Dynabrade 95848 Dynabrade Gear Oil
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M 34784, 663FC, 2" X 48", 20u, Diamond Trizact Belts, 7010509133
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Standard Abrasives 725012, Buff and Blend Cross Buff HS, A/O Medium, 1-1/2 in x 1/2 in x 2 Ply x 8-3, 7000046830
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
Norton 66623325035 - 2" 120 Grit Fine Grade Aluminum Oxide Vortex Rapid Prep Green TR Non-Woven Surface Preparation Disc, 50 Each
Dynabrade 78349 6" Dia. x 1/2" W x 1" Center Hole, 7S Fine, S/C DynaBrite Deburring Convolute Wheel, 2/box
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 19765, Utility Cloth Sheet 314D, 9 in x 11 in P280 J-weight, 7000000353
3M 28830, 675L, 1/2" X 72", 74u, Diamond Microfinishing Film Belt 7010508919
3M 10455, Cloth Sheet 481W, 220, 9 in x 11 in, 7010294811
Standard Abrasives 727399, Buff and Blend Cross Buff HS, A/O Medium, 2 in x 3/4 in x 2 Ply x 1/4-20, 7000047137
3M 93284, Drywall Sanding Sponge 9095DC-NA-4PK, Dual Grit Block, 2-7/8 in x 4-7/8 in x 1 in, Fine/Medium, 7100140504, 4/pack
3M 05009, Utility Cloth Roll 211K, 100 J-weight, 1 in x 50 yd, Full-flex, 7100016843
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 02126, Extra Large Angled Drywall Sanding Sponge 910-DSA, 2-7/8 in x 8 in x 1 in, 7010375246
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
3M 19768, Utility Cloth Sheet 314D, 9 in x 11 in P180 J-weight, 7000000356
Dynabrade 95544 Gear Grease, 2.5oz. Tube
3M 35124, Grippy Sanding Cloth Trial Kit, 7100230957
Dynabrade 51705 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 50,000 RPM, 3/32" Collet 
