Air Inlet: 1/4" NPTOperating Pressure: 70 - 120 PsiFastener Type: 11 Ga. Wire Weld Collated Coil NailsFastener Size: 3/4" - 1-3/4"Magazine Capacity: 120Industrial Quality Nailer For Use On Asphalt Shingling, Waterproof Tar Paper, Fiber Cement Roofing And Siding, Vinyl Siding And MoreLightweight Magnesium Housing For Job Site DurabilityZero Nail Lockout Feature Eliminates Dry Firing And Indicates When To Reload The MagazineNosepiece Features Carbide Inserts For Long-Life PerformanceAggressive Wear Guards And Skid Pads Protect The Tool From Damage On Abrasive SurfacesQuick-Set Adjustable Depth Guide Sets Nails To Desired Depths Quickly And ConvenientlySingle-Action Side Load Canister For Fast, One-Step Nail LoadingAdjustable Shingle Guide For Quick Shingle SpacingOver Molded Grip For Comfortable Use