The Sealey IS190D Impact Socket is ideal for use with air impact wrenches The Sealey IS190D 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. Ideal for use with air impact wrenches. 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:  Drive: 1\"Sq  Size: 90mm Depth: Deep  Model No: IS190D