Diamond 1 1/4" Full Bullnose shaping 1 3/8" wet polishing drum core bit concrete

(d) 6 Pieces of 1 3/8" / 35 mm Wet Polishing Drum for granite marble concrete sink / basin hole / sink cutouts / tight radius (with 5/8"-11 Thread arbor). (c) 1 Piece of 1 3/8" / 35 mm Diamond Zero tolerance Grinding drum wheel for stone concrete inner hole coarse grinding / polishing (with 5/8"-11 Female Thread arbor).

eBay