Staple , Air Powered, Air Inlet 3/8 in NPT, Air Pressure 100 psi, Max. Air Pressure 100 psi, Min. Air Pressure 60 psi, Min. Hose Size 1/4 in, Exhaust Location Top, Tool Brand , Firing Mode Combination, Tip Nonmarring, Depth Control No, Fastener Type Framing, For Staple Leg Length 1/4 to 9/16 in, For Staple Type Crowned, For Staple Width 3/8 in, For Staple Gauge 20 ga, Staple Capacity 100, Duty Rating General Duty, Housing Material Steel, Overall Height 8 1/8 in, Overall Length 9 in