The Makita DTD154 Brushless Impact Driver features an ergonomically designed handle and one-touch bit installation. With T-Mode, a tightening mode for self-drilling screws. Also equipped with an LED job light with pre-glow and afterglow functions plus an electric brake, variable speed control and a reverse switch for ultimate control. Specification: Bit Holder: 6.35mm (1/4in) No Load Speed: 0-1,100/0-2,100/0-3,600/min. Impact Rate: 0-1,100/0-2,600/0-3,800/bpm Max. Torque: 175Nm, 3 Stage + T-Mode Capacity: Machine Screw M4-M8, Standard Bolt M5-M16, High Tensile Bolt M5-M14 Coarse Thread Length: 22-125mm Weight: 1.2kg