Metabo HPT (was Hitachi Power Tools) Pneumatic Framing NailerPOWER AND SPEED: Cylinder valve drive mechanism provides quick response and rapid, powerful driving APPLICATIONS: For wall sheathing, roof decking, subflooring, packing and crating work, and more SELECTIVE ACTUATION: Selectable trigger mode; choose contact or single sequential actuation mode via switch in the trigger FASTENERS: Accepts 16 wire coil nails from 2 IN 3 1 4 IN LIGHTWEIGHT: Only 8. 8 lbs (or 9. 1 lbs if the rafter hook is installed)