Selective actuation on trigger allows for either sequential or contact nailing. Cylinder valve drive system for rapid response and increased durability. Rafter hook is included for convenience on the jobsite. Accepts both 30 degree paper strip collated clipped head nails and 30 degree paper strip collated offset round head nails. Equipped with an industrial 2-piece magazine that can withstand jobsite abuse. Open nose design for easy extraction of a jammed nail. Ergonomic non-slip rubber grip on handle helps maintain a secure hold and comfort during use. Hardened claw tip resists wear on the nose and minimizes slippage when driving at an angle or toe-nailing. 8.8 lbs (or 9.1 lbs if the rafter hook is installed) lightweight and well balanced for easy maneuverability