The Metabo SSD 18 LTX 200 BL Brushless Impact Driver has a unique, Metabo brushless motor for quick work progress and high efficiency, ideal for any application. Automatic Power Shift (APS) supports working with self-tapping screws: automatic torque reduction after drilling to prevent overtightening. With 12-speed/torque levels for a wide range of applications. The robust die-cast aluminium gear housing provides optimum heat dissipation and durability. Other features include an integrated work light for illumination of the work area and a handy belt hook can be fixed either on the right or left side. Ultra-M technology: highest performance, gentle charging and 3-years of warranty on the battery pack. Specification: Bit Holder: 6.35mm (1/4in) No Load Speed: 2,900/min. Impact Rate: 4,000/bpm Max. Torque: 200Nm, Settings: 12 Max. Screw Size: M16 This Metabo SSD 18 LTX 200 BL Brushless Impact Driver comes as a Bare Unit, No Battery or Charger supplied.