The Makita DTD153 Brushless Impact Driver is fitted with an energy efficient brushless motor uses less energy and provides a longer run time. Speed is controlled via the variable speed trigger and features forward/reverse rotation.Fitted with a one touch sliding chuck for easy bit installation and removal. Its ergonomically designed soft grip handle increases comfort and reduces fatigue. Other features include a built-in twin job light and belt clip. Specifications: Bit Holder: 6.35mm (1/4in).No Load Speed: 0-3,400/min.Impact Rate: 0-3,600/bpm.Max. Torque: 170Nm.Capacity: Machine Screw M4-M8, Standard Bolt M5-M16, High Tensile Bolt M5-M14.Coarse Thread Length Capacity: 22-125mm.Weight: 1.3kg.