The Sealey IS1120D Impact Socket is ideal for use with air impact wrenches The Sealey IS1120D is a Chrome Molybdenum, drop-forged, deep WallDrive impact socket that has been hardened and tempered for added strength, with a phosphate finish for greater corrosion resistance. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use Features: Ideal for use with air impact wrenches Chrome Molybdenum, drop-forged, deep WallDrive® impact socket One of a comprehensive range of Premier Hand Tools, suitable for daily professional use Hardened and tempered for added strength, with a phosphate finish for greater corrosion resistance Specification:  Depth: Deep  Size: 120mm Drive: 1/2\"Sq  Model No: IS1120D