The Mac Tools Precision Torque Wrench with LCD Screen is available in four sizes: 1/2" 50 to 250 ft-lbs, 3/8" 15 to 75 ft-lbs, 3/8" 8 to 40 ft-lbs, and 1/2" 30 to 150 ft-lbs. Each wrench includes an easy-to-read LCD screen, a micrometer click, a quick setting screw and internal bearing, and an anti-roll design with a rubberized grip.