6" Sponge Pad with 1/2' Arbor Hole

These sponge pads provide a cushion that helps remove flat spots from cabochons. They are 1/8" thick and placed under diamond smoothing discs, Tech-11 polishing pads and final polishing pads. All sponge pads come with a 3M pressure sensitive adhesive backing that easily bonds to backing plates and master laps. 6" pads are available with or without a 1/2" arbor hole.