Coil siding and fencing mailer with tool-free adjustable exhaust. Durable, lightweight (4.9 lbs.) aluminum housing. Smooth rubber foot aids in preventing damage to work surface. Tool-free adjustable rafter hook for convenience. Drives wire weld and plastic inserted coil nails. Tool-free depth of adjustment for precise setting of fasteners. Magazine holds up to 300 nails. Operating pressure 70-120 psi. Includes manual.