1/2'' Drive Micrometer Adjustable Click Torque Wrench This tool has been factory inspected. Calibrated, and Tested at the Factory. Accurate to +/- 4% Nickel chrome plated alloy steel. Can be used in blind spots. No pointer or dial to monitor you'll feel and hear a clicking sound when torque is reached. No clumsy gadgets to get in your way. Torque Range: 10 to 150 foot pounds and 1.4 to 20.7 kgs Overall length 18". Includes FREE Sturdy PVC Storage Case.