Their arbor is 5/8-11 Female Thread. Pad Holder's max velocity / capacity is 5000 RPM. Please do not use it with high speed grinder or polisher.
This package carries (a)-(e). (a) 1 Piece of 1-3/8" (35mm Diameter) Diamond core drill bit for stone granite concrete marble hole cutting (5/8"-11 Female Thread arbor). Total length of the core bit is 75mm. (b) 1 Piece of 1-3/8" (35mm Diameter) Diamond Grinding drum wheel for stone concrete granite marble sink hole inner edge polishing, shaping, enlarging (5/8"-11 Female Thread arbor). (c) 7 Pieces of 1-3/8 wet dry (wet use recommended) Diamond polishing drum for stone concreteWet Polishing Drum for granite marble concrete stone sink hole inner edge polishing.
1 X Grit 50 100 200 400 800 1500 3000. (d) 1 Piece of 4" polishing pad Holder (5/8"-11 Female Thread arbor).
Pad Holder's max capacity / velocity is 5000 RPM. (e) 9 Pieces of 4 Diamond wet dry (wet use recommended) polishing pad for stone concrete granite marble. 1 X Grit 15 50 100 200 400 800 1500 3000 6000.