DTW190ZK | Compact and lightweight | Max tightening torque: 190N.m | Shoulder strap and tool catcher as optional accessories | Variable Speed, Electric Brake, Reversing, Built-In Job Light, and Carry Case. | Battery and charger sold separately. The tool does not come with a socket. | Voltage: 18V | Capacity: | Standard bolt: M8-M16 High tensile bolt: M8-M12 | Square drive: 12.7mm | No load speed / Impacts per min: 2,300r/min / 3,000i/min | Max. fastening torque: 190N.m