The MAX CN445R3 SuperRoofer is a top of the line professional grade pneumatic roofing nailer. The applications for the CN445R3 include fastening asphalt and fiberglass shingles, fastening lath wire to plywood, the installation of siding, and wooden box assembly. The CN445R3 is equipped with a swivel plug to alleviate the tangling of the air hose and also features a trigger lock to prevent accidental firing of the tool.