051144-14270 - Backup Pads, Disc by 3M

Backup Pads, Disc,4 1/2 in, Density Rating: Hard

3M â„¢ 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).