Use with 4-1/2 Inch diameter hook and loop discs. Use on right angle grinders and sanders such as the 3M variable speed polisher 28391 or 3M disc sander 28408. Has 1/8 Inch thick foam and T-hooks
3M 61500123858 Disc Pad Holder, Regular, Hook And Loop, Diameter: 4-1/2 Inch, Max. RPM: 13000, Hole Size: 3/8 Inch, Thread Size: 5/8-11 UNC, Black For Additional Product Information, Click Here