Air Cooled Backup Pad, 4.5 In Dia, 5/8-11

Air Cooled Disc Backup Pad, Vacuum Hole Design No Holes, Diameter 4-1/2 In., Density Medium, Face Mounting Type Arbor Hole, Face Mounting Size 5/8 In.-11 INT, Back Mounting Type Arbor Hole, Back Mounting Size 5/8 In.-11 INT, Body Material RubberMax. Speed 11, 000 rpm