Manufactured from Chrome Vanadium steel with electrodeposition finish for added corrosion resistance. Suitable for use with impact type air wrenches. Supplied in storage case. Features: One of a comprehensive range of Premier Hand Tools, suitable for daily professional use Manufactured from Chrome Vanadium steel with electrodeposition finish for added corrosion resistance WallDrive sockets Suitable for use with impact type air wrenches Sizes: 9, 10, 11, 13, 14, 17, 19, 22, 24, 27mm Supplied in storage case Lifetime guarantee* Specifications: Guarantee:Life Model Number: AK56/11M