4 inch Diamond Polishing Pad Set Granite Marble Concrete Grinding Disc

Remind: The 5/8"-11 Female Thread arbor velcro backer/pad holder are with water feed hole, can be used for wet polishing. FREE SHIP (United States) This package: 7 Pieces of 4" (3.2mm Thickness) Pad for granite marble concrete  and 1 Piece 4" Backer  ( 5/8"-11 thread ), the 7 Pads are:  1 Pcs X Grit 50 100  200 400  800 3000 6000 . Remind: velcro backer's max capacity is 5000RPM, please don't use it with high speed polisher/grinder. - 3.2mm thickness - recommend 3500 - 5000 rpm (grinder or polisher speed MUST be lower than 5000 RPM). - wet or dry use (wet use recommended)

Returns Accepted for this item if it's within 30 Days