FREE SHIP (United States).

Remind: Their arbor is 5/8"-11 Female Thread.

This package carries (a)-(c): 

(a)  1 Piece of 2" (50mm Diameter),

1 Piece of 3" (75mm Diameter),

1 Piece of 3-1/2" (89mm Diameter),

Diamond Zero Tolerance Grinding Drum Wheel for stone concrete travertine granite marble porcelain ceramic hole inner edge polishing, shaping, enlarge (5/8"-11 Female Thread arbor).