Nibbler, Lever Location Bottom, Capacity Stainless Steel 18 ga, Capacity Steel 18 ga, Maximum Material Thickness 18 ga (Steel), Maximum Strokes per Minute 2,600 stroke/min, Minimum Strokes per Minute 2,600 stroke/min, Air Consumption 21.2 cfm, Air Inlet Male, Air Inlet Size NPT, Air Inlet Type 1/4 in NPT Male, Air Inlet Gender 1/4 in, Air Pressure 90 psi, Min. Hose Size 3/8 in