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(a) 1 Piece of V50 (2" / 50mm) for 50mm / 2 Inch high / thick granite marble concrete ceramic porcelain glass countertop / vanit top edge bullnosing Diamond Brazed Router Bit to do Full shape bullnose.

The inner hole of this router bit is 7/8" to 5/8". it works with grinder or polisher with 5/8"-11 Thread spindle. Important Remind Please make sure that your grinder or polisher speed is below 5000 RPM when using with it.

(b) One Lock Ring Nuts and wrench set (the pairs of lock ring nut is necessory to attach the router bit to your 5/8"-11 thread spindle grinder / polisher).

(c) 1 Piece of 2" (50 mm Diameter) Diamond Zero tolerance grinding drum wheel and core bit TWO IN ONE (5/8"-11 Female Thread). The height of working layer is 50 MM.

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