The hard rubber back up pad provides firm support for Surface Conditioning Discs.
Disc Diameter: 3 in,
Face Mounting Type: TS,
Back Mounting Type: Straight Shaft,
Back Mounting Size: 1/4 in,
Max. RPM: 24,000 RPM,
Density: Medium,
Vacuum Hole Design: Non-Vacuum,
Body Material: Rubber
