Staple Gun 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 ARROW 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