16mm Glow Plug Socket 3/8" Drive 72mm length 3/8" drive to fit any 3/8" extension bar or ratchet Metal band at the tip provides secure grip when the plug is seated within the socket Universal joint allows access into tight and awkward engine spots whilst still providing torque Suitable for some Nissan Pre-1998 engines and more... Always check the vehicle handbook to find your glow plug size Chrome Vanadium Steel with matt finish Specification: Socket Size: 16mm Drive Size: 3/8" Socket Length: 72mm Total Length: 88mm Material: Chrome Vanadium Steel