The CYCLONE ULTRA MESH TURBO BLADE by Diamax is designed for use on: Engineered stone, granite, marble, porcelain, quartzite, and ultra-compact materials. Use Wet or Dry on a hand saw or angle grinder. The Cyclone Ultra Mesh Turbo blade is designed to cut Ultra Compact surfaces at a fast speed with minimal chipping. Ultra thin rim assures a fast clean cut. Turbo mesh design allows for optimal cooling. Center hub reinforcement keeps the blade cutting straight. Arbor: 5/8″ – 7/8″ – 20 mm. MAX RPM: 12,200.