Hitachi NV75AN 1-3/4 Inch to 3-Inch Coil Siding / Framing Nailer Contact (bump) trigger installed (comes with optional sequential trigger in the box) Tool-less depth of drive adjustment for optimal fastener depth in a variety of applications 360 degree adjustable air deflector directs the air exhaust in any direction and away from the user Side load magazine for fast and easy re-loads Open nose design for easy jam removal Clear plastic shield deflects wire collation away from the user for added safety Lightweight and well-balanced at just 6.3 lbs for less fatigue Drives wire and plastic sheet collated nails for added flexibility Long lasting rubber grip for added comfort