Safety First Impact wrench is a 12 volt powered impact wrench to remove lug nuts from cars and light trucks. It has a cigarette lighter adapter and 4 universal socket wrench adapters from 17mm to 23mm. It is to be used as an emergency removal of lugnuts during a flat tire. It removes (properly tightened) lugnuts in a few seconds. It can also install or tighten lugnuts after tire replacement.


  • Voltage : DC 12V
  • Max .Current : 12A
  • Rated Power:100W
  • Max Torque: 340N.M
  • Weight 1.75KGS


  • Easy to Operate
  • Extremely durable
  • Easy lug nut removal / install


  1. Fuse
  2. 2pcs wheel nut socket adapters with size (17-19mm,21-23mm)
  3. 5M power cable with the adapter of auto cigarette lighter
  1. This electric wrench only use 12V vehicle power system
  2. Do not use the electric wrench continuously for more than 10 minutes at one time.
  3. During operation, do not touch the drive shaft head with hand.
  4. Take care to use the correct polarity when connecting the wrench to a vehicles battery terminals.
  5. For negatively earthed vehicles, always connect the red battery clip to “+’ positive terminal and the black bakery clip to “-“negative terminal.
  6. New fuse rated electric current should be or less than 12A.
  7. After hearing the “clatter” sound, turn off the switch for 3-5 seconds then continue the operation.
  8. It is strictly recommended to check the tightness of the wheel nuts with a wheel brace after tightening with the impact wrench. The electric impact is for emergency use only. Use professional torque wrench to recheck the correct torque as soon as possible.
  9. The manufacturer takes no responsibility for incorrect usage of this product and the electric wrench is only designed to loosen and tighten the wheel nuts of the vehicle.