The HURRICANE TURBO BLADE by Diamax is a small turbo blade designed for use on granite and engineered stone. Use with a hand saw or angle grinder. Size: 4". Segment (W x H): 8 mm x 2.6 mm. Arbor: 5/8″ – DKO. Max RPM: 7,640. Use WET or DRY. Cuts like a Cyclone at a more affordable price. Softer bond for faster cutting. Still maintains a return ratio of less than 1% over the last 10 years.