Designed for use on fixings that have a high torque setting. Counter-weighted design reduces impact losses found in conventional sockets. 17, 19, 21mm Sizes cover a wide variety of crankshaft pulley bolt sizes. Suitable for GM, Ford, Honda, Kia, Toyota, Lexus, Jeep and Mazda vehicles. Features & Benefits: • Designed for use on fixings that have a high torque setting. • Counter-weighted design reduces impact losses found in conventional sockets. • 17, 19, 21mm Sizes cover a wide variety of crankshaft pulley bolt sizes. • Suitable for GM, Ford, Honda, Kia, Toyota, Lexus, Jeep and Mazda vehicles. • Model No. SX319 Specifications: Model No SX319 Brand: Sealey Contents: Sizes; 17, 19, 21mm Drive: 1/2"Sq Nett Weight: 2.42kg