FeaturesDigitally Tracks Torque Measurement. Multiple Alerts When the Target Torque is Reached Prevent Over Torqueing of Bolts. Handle Vibrates. Buzzer Sounds & LED Light Shows Solid“Target Torque Alert” Gives a Warning as the Target Torque Setting is Approached. So There is Less Chance of Over Torqueing a BoltAccurate in Clockwise Direction +;/- 2% and +;/-3% in a Counter-Clockwise Direction. From 20% to 100% of Full Scale5 Torque Measurement Units Obtained for Working in Nm. Ft-lb. In-lb and Kgf-m. Kgf-cm72-Tooth Ratchet Mechanism with a 5 Degree Swing ArcHandle and Housing are Oil and Solvent ResistantRequires 2 AA (alkaline) BatteriesMeets or Exceeds ASME B107.28MAdditional Scale: 300 in/lb – 3008 in/lbSpecificationsASME Specification: B107.28MDrive Tang Size: 1/2 inHead Thickness: 0.840 inAlt Scale Increments: 0.1 ft/lbPrimary Scale Increments: 0.1 nmWarranty: Limited LifeWeight: 1 lbs