Diamond Polishing Pad 4" Dry 9+1 Pieces 1 1/2" 38mm Diamond Core Drill Bit Hole Saw Granite Concrete Marble Travertine Terrazzo sink hole cutout

FREE SHIP (United States): Important Remind: They are 5/8"-11 Thread. NOT M14 Thread. This package carries (a)-(b): (a) 9 Pieces of 4" / 100mm Diamond Premium DRY Polishing Pad for concrete granite stone marble: 2 X Grit 50 100, 1 X Grit 200 400 800 1500 3000. And 1 Piece of 4" Velcro Backer Pad Holder (5/8"-11 Thread). Very Important Remind: Velcro backer's max capacity is 5000 RPM. Please do not use it with high speed grinder / polisher. b) 1 Piece of 1-1/2" Diamond Super High Segment (9mm High) Core Drill Bit / Hole Saw for granite concrete marble stone (5/8"-11 threaded arbor).