Loosen and tighten the tyre bolts effortlessly without applying any force at all the impact driver can be operated via the cigarette lighter and can loosen rusty or stuck screws in this way it can be used immediately and everywhere no matter whether changing the tyres in the garage or whether your car breakdowns the impact driver possesses a rightleft run with pre selection of the torque you can control the torque in the digital display as such the screwdriver is suitable both for alu