Their arbor is 5/8-11 Thread. Grinder or polisher speed must be lower than 6500 RPM when using with them. This package carries (a)-(c). (a) 1 Piece of F20 (20mm / 3/4", for 20mm / 3/4" high / thick stone concrete).
Ogee Bullnose Diamond Brazed Router Bit/Profiler for granite concrete travertine (5/8-11 Thread arbor). (b) 1 Piece of 4" Velcro Pad Holder 5/8"-11 Thread arbor.
Velcro Backer's max velocity is 5000 RPM Please do not use it with high speed grinder / polisher. 45 Pieces of 4 Inch Diamond Polishing Pad for stone concrete. 9 X Grit Grit 50 100 200 400. 3 X Grit 800 1500 3000. (c) 7 Pieces of 2 / 50 mm Diamond Wet Polishing Drum.
1 X Grit 50 100 200 400 800 1500 3000. They have 5/8-11 Thread arbor.