The DFD270 .27 Caliber Fully-Automatic Powder-Actuated Tool is designed for structural use in commercial steel and concrete applications. The nailer drives both 8mm and .300"head fasteners and clips in lengths of 1/2"– 2-7/8”, as well as 1/4"threaded studs. It is powered by a standard .27 caliber (short) safety strip load. A power dial allows for adjustment within .27 caliber load colors. Tool-free disassembly allows for easy cleaning and maintenance.. . The DFD270 tool features automatic piston return and load indexing between fastenings, making it ideal for high-capacity commercial applications. With the addition of the DFD2703 Accessory Magazine, the tool can also fasten collated pins.. . Kit includes tool, Magazine nose piece, Single Shot nose piece, cleaning kit, spall guard, and kit box.