3M Ribbed Back-Up Pad, 4"", 15000 Max. RPM (11231)

Ribbed Back-Up PadOne-piece design for added convenienceRibbed face plate designed to increase unit pressureLow-profile design will fit most tools and guardsSpacers allow for easy height adjustmentSimple one-piece design means a lower price, fewer lost parts, and easier ordering than two-piece face place and disc hubCompatible with TN quick-change attachment systemsThreaded design allows for easy, secure attachment to toolAvailable in 4.5”, 5”, and 7” (114.3 mm, 127 mm, and 177.8 mm) diameters to accommodate corresponding fibre disc diameter