This is a 4 inch diamond wet polishing pad that is used with a flat 4 ½” backer pad which is either made of stiff rubber, med stiffness rubber or aluminum. The pads have a Velcro hook and loop backing to attach to the backer pad. A 4 ½” variable speed angle grinder with water attachment or equivalent must be used for best results.

These pads are part of a 7 step wet polishing set ranging from 50 grit to 3000, and should be used consecutively to achieve superb polish quality. Optimal RPM 2200 to 4500. The pad must be used with water and can be used on all natural stone products such as granite, marble, and travertine.