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