The Dewalt DCN890N is a brushless concrete nailer that makes nailing into steel and concrete a breeze perfect for professional use due to its robust build and versatility it includes a new removal foot for extra stability and less chance of slipping. The DCN890 is ideal for mechanical and electrical work with cable/pipe clamps, conduit and ceiling clips, electrical pipe tier, trucking fasteners and threaded studs in: Mini trucking systems, Metal trucking systems, Low voltage cabling, Temporary Lighting, Metal and plastic capping and Fire resistant cabling systems. Features and Benefits 18V Brushless motor for improved power and run-time DEWALT proprietary pins (13mm –57 mm) gives a complete solution 3-Speed control (13,000, 14,000 and 15,000 RPM) enables fastening of different .