Norbar 130520 ProTronic 340Torque Wrench 1/2" Drive 17 - 340 Nm The 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. 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 conditions Features: 5 easily selectable torque units (Nm, lbfft, lbfin, dNm, kgcm and kgm) The ability to programme up to 10 pre-sets in the tool saves time in setting up frequently occurring applications A wide range of advanced features (cycle counter, customisable sleep timer, language selection, auto torque calc