"Klutch heavy-duty torque wrench is made of chrome vanadium steel. Audible click and feel notification when desired torque is reached. 5-80 ft.-lb. torque range. Includes case. Drive in. 3/8, Pieces qty. 1, Storage Type Case, Material Type Chrome vanadium. Chrome vanadium steel construction 5-80 ft.-lbs. torque range Audible click and feel notification Includes case"