The level of hardness needed is dependent on the task choose a higher density for more aggressive applications and a lower, more flexible density for less aggressive applications and is also dependent on the users work style. We designed these disc pads to be used with any drill, disc sander, right angle grinder, or rotary sander. Max RPM is determined by size and firmness of the disc and disc pad.
Our 3M Roloc Disc Pad is available for use with the following Roloc attachment systems: TR, TP and TS. Please select discs with the attachment design made for your system.

Standard Abrasives 722809, PSA A/O Extra Disc, 5 in x NH, 60, 7010368721
ACS Diamond Cloth Belt, CX1250 3/4" X 18" 250U
3M 45563, Cubitron ll Cloth Belt 784F, 80+ YF-weight, 1/2 in x 18 in, Fabri-lok, Single-flex, 7100119302, 200 per case
3M Scotchkote Liquid Epoxy Coating Spray System HSS Mix Nozzle,Straight, 7000031879
3M 01552, Green Corps Stikit Disc 255U, 8 in, 24E, 7010298813, 20 discs per carton
3M 11419, Roloc Disc 361F, P240 XF-weight, TR, 2 in, Die R200P, 7000045105 
