From the Manufacturer This CDI Torque user set torque wrench is designed for use on production line and other applications where a specific torque is required for repetitive operations. The design, fabrication and materials used have been developed in coordination with major manufacturers in actual production use. This wrench features a durable, non slip cushion grip and uses universal round shank heads. The operator can feel and hear when maximum torque is reaches because of the audible click and feel impulse torque control mechanism. The torque setting is tamper proof for production line use. The torque range is 40 to 200 foot pounds. This wrench is set by operator.