Sealey Impact Sockets Deep 3/8in Sq Drive - Sealey IS3817D, Chrome Vanadium, drop-forged, deep WallDrive® impact socket. Hardened and tempered for added strength, with phosphate finish for greater corrosion resistance. Ideal for use with air impact wrenches. Sealey IS3817D Impact Socket 17mm Deep 3/8"sq Drive
