The Flex IW 1/2 18.0-EC Impact Wrench has a brushless motor with greater efficiency and a longer service life. The robust gearbox housing is made from die-cast aluminium and is fitted with a protective cap. There are 3 different speed settings to cover a variety of applications, helping to prevent over tightening of small screws. Its Impact Control feature provides perfect screw positioning. The accelerator trigger switch has a locking function that helps to prevent fatigue. There is also a quick-acting electronic brake and the options of both right and left rotation plus a safety catch. The integrated electronic management system (EMS) protects the machine, extends the service life and increases efficiency. The wrench has an ergonomically designed, non-slip, soft grip handle and an integrated LED lamp with persistence function. There is also an LED battery capacity display. Specification: Bit Holder: 1/2in Square No Load Speed: 600-2,500/min. Impact Rate: 3,300/bpm Max. Torque: 250Nm Torque Settings: 140/170/250Nm