For 3/8 radius demi-bullnose / roundover;;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.

• 3/8 Demi-bullnose/Roundover Diamond Hand Profiler/Router Bits with 5/8-11 Thread for Countertops

3/8 Demi-bullnose/Roundover Diamond Hand Profiler/Router Bits with 5/8-11 Thread for CountertopsDAMO Diamond Tools LLC.