General description Manufactured from hardened and tempered Chrome Vanadium steel, the Sealey AK68218 Impact Socket Set features a phosphate finish for added corrosion resistance. The WallDrive® sockets allow a transfer of up to 30% more torque to the fixing, making it a reliable choice for both professionals and DIY enthusiasts. This set includes colour-coded rings for fast identification and is supplied in a convenient storage case. It is part of the SEALEY PREMIER range, designed for daily professional use and comes with a lifetime guarantee. Technical specifications Drive size: 3/8'' Sq Number of pieces: 17