The CYCLONE STOCK REMOVAL WHEEL by Diamax is designed for use on Engineered stone and granite. WET only. Available in 36, 60 and 120 grit. Removes radius stock chip-free. Zero Vibration. Recommended use: Oscillate wheel up and down to wear evenly and avoid grooves. 5/8″-11 thread. SIZE: 2″ x 2″. GRIT: Coarse 36. FITTING: 5/8″ – 11 thread. MAX RPM: 4,000.