Three torque wrenches in 1 (foot lbs, inch lbs, and Newton meters) 4 simple buttons: - Power On/Off - Torque Target Up and Down - Convert Units (ft/lb, in/lb, Nm) Sealed NGR / Tear-Drop design provides better access while eliminating dirt infiltration for better performance Buzzer with Red, Yellow, Green lights to alert when target torque is reached LCD screen with backlight for easy reading of torque values enclosed in a shock resistant housing Increased accuracy of +/-2% Knurled Aluminum Grip 25-250 ft/lbs, 300-3000 in/lbs, 33.9-339 Nm