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 45117, Cartridge Roll Mandrel, 3/16 in x 1 in x 1/4 in, 7000148243
$4.23
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.

Insize ISY-600-800018, V SHAPED SUPPORT, 6940561980479
3M 76631, Roloc Disc 777F, TR, 3 in x NH, 36 YF-weight, 7000028339
Dynabrade 92916 2" Dia. x 1" W Slotted Wheel
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
Dynabrade 58441 5" Dia. Two-Hand Gear-Driven Sander, Non-Vacuum, .45 HP, 900 RPM, Hook-Face Pad 
