1/2" Radius BullNose router bit grinding cup 19 stone concrete marble polish pad
(c) 19 Pieces of 4" Diamond Polishing Pad for granite marble concrete -with water feed hole, can be wet use. And 1 Piece of 4" Aluminum Backer/Pad Holder (5/8"-11 Thread arbor). 4 X Grit 50 100. 3 X Grit 200 400.