Tamco Toku 4 Bolt Chipping Hammer .580 Hex Shank 3" Stroke SLCH-3H Toku's rugged TCH series of D-handle chipping hammers are available in 2" through 4" stroke lengths. TCH chipping hammers offer a more rugged solution for situations where durability is paramount. All Toku chipping hammers feature drop forged alloy steel handles; heat treated alloy cylinders; and exhaust deflectors. All chippers are available in your choice of .580" hex or .680" round shanks with either round or oval collars. SPECIFICATIONS: Shank Size: .580" Hex or .680" Round Shank Stroke Length: 2-1/2" (.5mm) Piston Diameter: 1-1/8" (28.54mm) Impact Rate: 2;000 - 2;200 B.P.M. Weight: 19 lbs. (8.55 kg.) Overall Length: 16" (406.4mm) Air Consumption: 31.5 C.F.M. Air Inlet: 7/8" x 24 Threads/Inch Hose Size: 1/4" (6.35mm) Warranty: 1 Year Limited Warranty " Tamco Toku TCH-3B 4 Bolt Chipping Hammer .580 Hex Shank 3 Stroke SLCH-3H