Nibbler, Lever Location Top, Capacity Stainless Steel 18 ga, Capacity Steel 18 ga, Maximum Material Thickness 16 ga (Aluminum), Maximum Strokes per Minute 2,600 stroke/min, Minimum Strokes per Minute 2,600 stroke/min, Air Consumption 16 cfm, Air Inlet Female, Air Inlet Size NPT, Air Inlet Type 1/4 in NPT Female, Air Inlet Gender 1/4 in, Air Pressure 90 psi, Min. Hose Size 3/8 in