SCOTCH-BRITE 3M DISC PAD FACE PLATE RIBBED EXTRA HARD RED 5" 7000077965
3MTM disc pad face plate backs a same size fiber disc (sold separately) to provide firm support and the force required for grinding applications It is used in conjunction with a disc pad hub (sold separately), which attaches to the power tool, and held into place along with the appropriate disc using either a retainer nut (sold separately).