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. Specifications: 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: 7.87" (200mm). Net Weight: 2.47lbs. (1.12kg). Air Inlet Thread NPT: 1/4". Air Hose I.D. Size: 3/8" (10mm). Avg. Air Consumption: 4cfm. Air Pressure: 90-120psi (6.21-8.28 Bar) flat and curved surfaces.