7 Pcs of 3" Wet Polishing Drum for granite marble concrete sink / basin hole (5/8"-11 Thread arbor). 1 X Grit 50 100 200 400 800 1500 3000. 3" Diamond Core Drill Bit / Hole Saw (5/8"-11 Thread arbor). Red Color Now. 5/8" thread fits on polishers/ grinders coarse grit diamond variable speed grinder recommended speed 3000- 6000 RPM

• 7 Pcs of 3" Wet Polishing Drum for granite marble concrete sink / basin hole (5/8"-11 Thread arbor). 1 X Grit 50 100 200 400 800 1500 3000.
• 3" Diamond Core Drill Bit / Hole Saw (5/8"-11 Thread arbor). Red color now.
• coarse grit diamond. recommended speed 3000- 6000 RPM

7 Pcs of 3" Wet Polishing Drum for granite marble concrete sink / basin hole (5/8"-11 Thread arbor). 1 X Grit 50 100 200 400 800 1500 3000.Asia Pacific Construction