Norbar 130517 ProTronic 100 Torque Wrench 3/8" Drive 5 - 100 Nm The Norbar 130517 ProTronic is a high-precision electronic torque wrench with a large backlit LCD display, that measures accurate and consistent torque readings. It also features an audible buzzer when pre-set torque/angle value is reached. A wide range of advanced features (cycle counter, customisable sleep timer, language selection, auto torque calculation for torque adaptors, calibration alerts, battery level indication, and numerous alert mode customisations) allow the user to tailor the tool to their work preferences. Features: Dual progressive LEDs positioned both sides of the wrench provide an easy visual representation of torque progress allowing the user to more easily anticipate torque target Large LCD screen with bright backlight; numbers become larger and bolder during active torque for optimal viewing Four alert modes (LCD, progressive LED, audible, tactile) provide excellent feedback in all working condition