Punch designed for easy replacement Performs hole punching and panel crimping Features a rotating head for convenient use Every pull of the lever delivers a single punch or a single flange crimp with precision control Forms an offset crimped edge on sheet metals for no-bump lap welds Lightweight Durable construction Reduces metal fabrication time in half Punch Diameter: 5.5mm (7/32) Punch Capacity: 1.6mm (1/16) Crimping Capacity: 1.6mm (1/16) Piston Stroke: 5/32 (4mm) Overall Length: 9.84 (250mm) Net Weight: 2.6lbs. (1.18kg) Air Inlet Thread NPT: 1/4 Air Hose I.D. Size: 3/8 (10mm) Avg. Air Consumption: 4cfm Air Pressure: 90-120psi