The PneuTools RN-500 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 Pole Barn, Log Cabin, Overseas Crating, Steel Mill and Oversize Pallet Construction, Post and Beam, and Framing applications. • The PneuTools RN-500 uses 22 2-3/8 to 5-1/8 Plastic Collated Nails, with nail shanks of .113 - .162 • With a Super-Compact Narrow Design (less than 5 wide!), the RN-500 will get into those tighter areas that your regular Framers and Heavy Duty Post & Beam Framers can"t get into. • It has a High Capacity, Easy-Load Compact Magazine, so you can operate Quickly & Effortlessly and not fumble with a hammer or bulky framing tool that just won"t fit where you need it to. • It contains a Convenient Side Handle to help with tool control and accuracy when you are installing large and bulky materials, such as posts, beams, large wooden runners, and timber frames. • It also has an Easy View, Nail-Point Installation Nose, so no clumsy probe is needed.