The Snap-on Tools Digital Torque Screwdriver, No. ATECHMS80FK, weighs a half a pound and offers a torque output of four to 80 in-lbs, with an additional six units of measurement available. This tool is designed to be easy-to-use and reliable for general automotive use where precision is necessary. This tool offers a 360-degree progressive LED "halo" and three other alert modes to anticipate reaching the torque target--LCD, audible and vibratory. Packaged within a durable housing, this screwdriver is built with a T-handle for comfort when higher torque levels are required.