3M 05539 Roloc Disc Backing Pad 50MM

Hard rubber back-up pad
Pad assemblies come complete with a 2″ (5.1 cm) steel shaft and adapter
Provides firm support for Scotch-Brite- Roloc- Surface Conditioning Discs and 3M- Roloc- Bristle Discs
The 3M- Roloc- Disc Pad Assembly, 05539, is designed to support 3M- Roloc- 2 Inch Diameter Abrasive Discs, and can be mounted directly to tools with 1/4-20 EXT threaded shafts.