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. Features & Benefits: • 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*. • Model No. SX03917 Specifications: Model No SX03917 Brand: Premier Drive: 1/2"Sq Nett Weight: 0.17kg Size: 17mm