Disc Backup Pad, Disc Diameter 3 in, Face Mounting Type Adhesive/PSA, Back Mounting Type Straight Shaft, Back Mounting Size 1/4 in, Max. RPM 10, 000 RPM, Density Medium, Vacuum Hole Design Non-Vacuum, Thickness 1/4 in, Body Material Rubber. This item has been restricted from sale in the following state (s): []