The Bostitch 15-Degree 3-1/2" Wire Weld / Plastic Pneumatic Coil Framing Nailer (N89C-1) is designed to be impressively rugged and powerful. Its sturdy nature is disguised by a lightweight magnesium housing that's easy to hold and capable of surviving some serious abuse on the job site. This hardy model even has aggressive wear guards that help protect it from damage when you use it on abrasive surfaces. The N89C-1 has a patented push-button adjustable depth guide to set nails at precisely the desired depths, quickly and conveniently, with minimal downtime between jobs. It also features an adjustable exhaust for a clearer view of your project.