Use with 7 Inch diameter hook and loop discs. Use on right angle grinders and sanders such as the 3M electric variable speed polisher 28391. Has 5/16 Inch thick foam and T-hooks
3M 61500292216 Disc Pad Holder, Regular, Hook And Loop, Diameter: 7 Inch, Max. RPM: 6000, Hole Size: 3/8 Inch, Thread Size: 5/8-11 UNC, White For Additional Product Information, Click Here