FREE SHIP (United States).

Remind: The arbor of this Diamond zero tolerance drum and core bit TWO IN ONE is 5/8"-11 Thread. NOT M14 Thread.

This package carries (a):

(a) 1 Piece of 1 3/8" (35 mm Diameter) Diamond Zero tolerance grinding drum wheel and core bit TWO IN ONE (5/8"-11 Female Thread arbor).  Save time save money.

The height of working layer is 50 MM.

This tools do the stone concrete travertine hole cutting and the inner hole polishing at the same time.