This package carries (a)-(b):(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 Thread). 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.

(b) ONE piece of V40 (1 1/2") 40mm Full Bullnose Diamond Hand Profiler/Router Bits with 5/8-11 Female Thread Arbor for 40mm Thick or High Granite Marble stone concrete travertine quartz Countertop edge bullnose

SPECIFICATION
For 40mm(1 1/2") thick or high stone concrete travertine full bullnose edge;
Stone thickness: 40mm;
POS: Coarse(35/45#);
Fits on polishers/ grinders with 5/8"-11 thread spindle;
The nylon guide assure the profiled edge remains straight;
Utilizing vacuum brazed diamond technology;
Wet or dry application,optimal speed 3,500- 4,000 RPM.