Sealey Premier Impact Socket 1/2"Sq Drive 19mm. Chrome Vanadium, drop-forged, WallDrive® impact socket. Phosphate finish for greater corrosion resistance. Ideal for use with air impact wrenches. Lifetime guarantee*. Model No. IS1219. Weight 0.11kg. Chrome Vanadium, drop-forged, WallDrive® impact socket. Hardened and tempered for added strength, with phosphate finish for greater corrosion resistance. Ideal for use with air impact wrenches. Depth: Standard. Drive: 1/2"Sq. Material: Chrome Vanadium. Nett Weight: 0.11kg. Size: 19mm. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.