Lapidary Glass Flat Lap Grinder Disc Magnetic Backing Plates

Grinder Lap Magnetic Backing Plate,Magnetic Backing Plate,Magnetic Backer and diamond lap backing use these magnetic backing plates to turn you master lap into a magnetic master lap. Simply adhere to master lap with 3M adhesive paper. Please note these plates are not self-adhesive. These discs have a 1/2" arbor hole. When changing laps, simply slide the lap off in a sideways motion (rather than trying to lift or pick it straight up).  Choose from these sizes: Diameter: 6"  8"   12"  16" and 24"