Hitachi NV45AB2 7/8-Inch to 1-3/4-Inch Coil Roofing Nailer (Side Load) N/A Imported Tool-less depth of drive adjustment for precision nailing/flush driving 5.5lbs, lightweight and well balanced for easy maneuverability Side loading magazine convenient and easy for quick replenishment Rubber pads help keep nailer from sliding off roof when not in use.Pneumatic power feed and return allows tool to operate in the harshest conditions Operating Pressure:70-120 psi