The Duo-Fast 903000 Cordless 20-degree Round-Head Framing Nailer drives 2" to 3-1/4" paper tape strip nails - no hose or compressor required. The 90300 works off of a fuel-plus-battery system, requiring the use of a fuel cell (sold separately) in addition to the included battery.  This cordless framing nailer features a lightweight and well-balanced design, tool-free depth adjustment, utility hook, and powerful motor to tackle a variety of framing applications. The 90300 is an excellent tool for framing, wall sheathing, roof sheathing, floor decking, and more.