Brand New Porter Cable RN175A Roofing Coil NailerMore reliable nail feed mechanism with two feed pawls Designed to deliver twice the life over previous tools Compact body design for better balance and style Consistent power on every shot with internal piston catch mechanism Selectable trigger for restrictive or contact actuation mode Sets nails properly every time with a tool-free depth of drive with detents Improved reliability with quick adjustable nail tray Steel contact safety with dual carbide inserts for less wear Steel skid plates with dual rubber inserts protect and stop sliding Tool-free adjustable exhaust Adjustable shingle guide Fastens a full bundle of shingles without reloading Accepts 15° 7/8" to 1-3/4" wire collated roofing nails 120 Nail Magazine Capacity 70 to 120 PSI Operating Pressure Nailer 1/4" air fitting with dust cover Oil Operating manual Replaces Model RN175