Sealey SX03917 Alloy Wheel Ultra-Power Impact Socket 17mm 1/2"Sq Drive Five times stronger than the conventional design and tested to 500Nm. Innovative design features a protective metal colour-coded ring that prevents the socket wall spreading. Six-point socket is sleeved and has an insert to prevent damage to alloy wheels and nuts. SX03917 Features Five times stronger than the conventional design and tested to 500Nm Innovative design features a protective metal colour-coded ring that prevents the socket wall spreading Six-point socket is sleeved and has an insert to prevent damage to alloy wheels and nuts Lifetime guarantee* SX03917 Specification Model No SX03917 Brand: Premier Drive: 1/2"Sq Nett Weight: 0.17kg Size: 17mm What is included: 1 x Sealey SX03917 Alloy Wheel Ultra-Power Impact Socket 17mm 1/2"Sq Drive