The Robota DC-18V series W18 battery wrench is a real powerhouse. The torque it delivers will loosen even the tightest car tyre bolts. You can also use the W18 to open and loosen other bolts and nuts. The machine has a copper-wound powerful motor that turns a 1/2" wrench. Between the wrench and the motor there is a torque piece that ensures that the machine will not break. The machine is equipped with an LED spot light that illuminates the workpiece. The power of the machine can be adjusted from the keypad above the battery shoe. The machine is equipped with a ratchet handle and has a comfortable rubber grip and rubber guards in case the machine falls to the ground. Minor bumps won't bother this machine, because Robota is sure to robotize!