Norbar ProTronic 340 Torque Wrench 1/2in Drive 17-340NmThe Norbar ProTronic Torque Wrench features dual progressive LEDs positioned on both sides of the wrench that provide an easy visual representation of torque progress, allowing the user to more easily anticipate torque target. There is also a large LCD screen with a bright backlight, the numbers become larger and bolder during active torque for optimal viewing. Four alert modes (LCD, progressive LED, audible and tactile) provide excellent feedback in