5" Diameter vacuum brazed Turbo wheel that grinds, grooves and shapes. With 8 flush mount holes you can use both sides of the wheel so the grinding life is double other brazed wheels. This blade will also cut slots. Very effective on granite and will last forever on marble and softer stones. Ideal for dry applications where wet is not an option. Choose 30, 40 or 100 GritShips as 5/8-7/8" Open Arbor or purchase with flush cut adapter to convert to 5/8-11" thread.