Quick Change Backup Pad, 5" Diameter, Standard Profile, 18000rpm, 5/8-11 Arbor (Pack of 1)

To Install1.Thread backup pad to the grinder.2.Twist-on disc to the grinder shaft until the disc is flush with the backup pad.To Remove or Replace DiscPlace the palm of your hand on the face of the disc and twist counter-clockwise while holding the backup pad.