Every bolt on modern vehicles has a torque setting, and the torque wrench is very important for accurately judging the tightness of the bolt. Smooth motion mechanism can provide accurate torque setting every time. Perfect for professional or occasional use. 1/2 inch drive:28-210 m. Fully adjustable torque wrench with ratchet head, set to proper tension and load settings are applied to nuts and bolts., Weight: 3.62991114383 pounds, Manufacturer: Wesafrae