IMPORTANT REMIND: The arbor of the 7 Pieces wet polishing drum and the zero tolerance grinding drum is 5/8"-11 female Thread.

Please make sure your grinder's or polisher's spindle is 5/8"-11 Thread, OR you have the adapter.

(a) 9 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 female Thread arbor)

They are: 1 Piece of Grit 30 50 100 200 400 800 1500 3000 6000.

(b) 1 Piece of 1 3/8" (35 mm) Diamond Brazed / Electroplated Zero tolerance grinding drum wheel for sink hole inner coarse grinding / polishing (5/8"-11 female Thread arbor).