The Panasonic EY76A1 Smart Brushless Impact Driver has an improved air flow design for increased durability, even under heavy load. The airflow provides efficient cooling to the centre of the coils as well as around the motor. DASH mode allows the unit to reach full speed instantly, ideal for drilling wood without pilot holes or super fast driving without damaging screw heads. It has an ultra-compact body design with increased impact protection as well as an ergonomic soft grip for user comfort. Fitted with a one touch bit holder with a tapering collar design that makes accessory changing quick and simple. It also features a dual LED work light that helps avoid shadowing on your work. Compatible with both 14.4V and 18V Panasonic batteries. Specifications: Chuck: 6.35mm (1/4in).No Load Speed: 0-950/0-1,450/0-2,800/min.Impact Rate: 0-1,800/0-2,500/0-3,100/bpm.Torque: 26/150/170Nm.Capacity: Tensile Bolt: Standard M6-M16, High M6-M12.