Every bolt on modern vehicles has a torque setting, and a torque wrench is essential to accurately judge how tight a bolt is. Manufactured from chrome vanadium steel for strength and durability. Smooth action mechanism providing accurate torque settings every time. Fully adjustable torque wrench with ratchet head which when set ensures proper tension and loading settings are applied to nuts and bolts. When the required torque setting is reached the wrench produces an audible click and a slight release of tension. Clockwise torque only but can also be used to undo by the switch of a lever on the ratchet head.