Precision digital torque wrench with settable torque and audible over-tighten alarms. Digital read out is programmable in Nm/kg Nm/cm inch/lbs or ft/lbs. 3/8' square drive k AAA x2 batteries with 48hrs life k Torque range: 8-80 Nm Allen wrenches: 2/2.5/3/4/5/6mm T25 Torx Bit k Phillips Screwdriver Sockets: 8/9/10/11/12/13/14/15mm Hardened steel and engineering grade plastic materials Additional Features: Pre-set torque valve Warning sound for over LCD display Auto off 33.4x3.2x2.8cm 430g