Nail Gun Power Source Air Powered Air Consumption 3.9 scfm Air Inlet 1/4 in NPT Air Pressure 120 psi Air Pressure Range 70 to 120 psi Max Air Pressure 120 psi Min Air Pressure 70 psi Min Hose Size 3/8 in Exhaust Location Top Tool Brand Senco Series ROOFPRO(TM) Firing Mode Sequential Tip Flat Depth Control Yes Max Fastening Rate 3 per second Collation Style Coil Collation Type Wire Collation Angle 15 Degrees For Nail Head Style Standard Round