The Motorq Professional range of torque wrenches offer accuracy, comfort and ease of use. The reversible ratchet has been designed using compact dimensions and a narrow engagement angle resulting from the 72 tooth pattern.Secure locking mechanism to avoid forced adjustment against the lockExtended soft-touch handle for comfort and reduced calibration driftFixed-Head push-thru Ratchet engineered for strength and durability(ratchet repair kits available) - Operates in both clockwise & anti-clockwise directionsDual scale micrometer adjustment: Nm / lbs.ft (80002000 = lbs.in)Chemical resistant handle and lens for clear reading of scaleAccurate to +/- 3% of reading (80002000 is +/- 4%)Supplied with calibration certificate, traceable to National StandardsManufactured to ISO9000:2000 standardFull after sales service and calibration availableSpecifications3/8 push thru sq dr4 - 20 Nm / 40 - 180lbs.inLength: 210mmWeight: 0.36kgSpare Parts:80002170 - Replacement Square Drive