The PneuTools SN3490 is an Industrial Grade 34 Paper Tape, Framing Nailer for Framing, Decking, Truss Installation, and Sub Floor applications. • The PneuTools SN3490 uses 2 - 3 1/2 34 Paper Tape Framing Nails with a shank size of .113 - .131 • This powerful framer?s industrial strength, light-weight die cast housing, and ergonomically designed handle mean comfort and consistant ease of use on the job - every time. • It features a Single Fire/Bump Fire Easy Change Trigger, an Adjustable Depth Work Contact Element, a No-Mar Work Contacting Element, and an Aggressive Nose Bracket for Toe Nailing - all to help you finish your job more quickly and efficiently than before. • It also comes with a Convenient Rotating Belt Hook, a Quick-Step Easy Load Magazine, and a 360 Rotational Exhaust that directs air to wherever the user desires.