The PneuTools RN-150 is the ONLY Palm Nailer with a magazine in the market! With its Patented Design, it enables the user to Quickly and Efficiently work in Joist Hanger, Truss Installation, Fencing, and Framing applications. • The PneuTools RN-150 uses 34 1 1/2 Positive Placement Nails, with nail shanks of .131-.148 • With a Super-Compact Narrow Design (less than 5 wide!), the RN-150 will get into those tighter areas that your regular Positive Placement Guns can?t reach. • It has a High Capacity, Easy-Load Compact Magazine, so you can operate Quickly & Effortlessly and not fumble with a hammer, or a bulky joist hanger tool that just won"t fit where you need it to. • It also comes with a Convenient Belt Hook, and an Easy View, Nail-Point Installation Nose, so no clumsy probe or expensive heat-treated nails are needed.