The Wera Wheel Impaktor C 1/2" 3 Piece Socket Set is the must-have wheel change toolbox addition for any home or professional mechanic. Available in the most popular wheel nut sizes and Wera's innovative design features that offer wheel nut and rim protection, Take it easy tool finder system, and robust hexagon profile that are suitable for both electric and pneumatic impact guns.For use with both electric and pneumatic 1/2" impact wrenchesRobust Impaktor design for extremely high stressesSmooth outer Protective sleeve protects the rim when changing wheelsWheel bolt/nut surface protection with the Internal plastic insertHexagonal profile enables precise and profile-preserving screwdriving with high power transmissionWith Ease of use and protection in mind all Wera Wheel Impaktor sockets feature a specially designed free-spinning smooth plastic outer sleeve for greater stability and speed when placing or holding the socket in use, and protects the wheel rims finish as the socket spins.