About this item Chrome Vanadium Steel 【Accurate Torque Value】 EZARC Bicycle torque wrench with 1/4" drive and improved to 2.0 - 20.0 Nm( 17.7 - 177.0 in.-lb.) torque range with micro adjustment to 0.2. Professional torque wrench can better help you to use the most suitable force（larger or smaller Newton meters）when installing high-precision components on bicycles for example seat clamps, lever clamps, chain sets, rotors and headsets, effectively improving the service life of bicycle components. Tolerance in: Accuracy +/- 3%. 【Protect Your Bike】 Our 1/4-inch dual-direction torque wrench driver removes the guesswork, making it easy to follow the manufacturer’s recommended settings. The wrench will emit a “click” that can both be heard and felt when reach pre-set torque value . it is alerting you won’t put too much force on the torque wrench and helps prolong the life of high-performance components and prevents damage from over tightening. 【Right Tools for The Job】 All the most common used bits are included in the box for your convenience , it includes Hex: H2, H2.5, H3, H4, H5, H6, H8. Torx: T10, T20, T25, T30 constructed with S2 Steel. Socket: 6mm, 8mm, 10mm and 100mm extension bar for reaching concealed bolts. 【Easy to Use & Convenient】 Pull down the lock knob and hold it until the torque setting is completed. Release the hand, and the lock knob will automatically rebound back to lock the value. Featuring laser scale markings on the novelty gloss Electro-Black background, Easily catching the eye even in low light conditions. Dual range scale is clear and easy to read, not easy to wear. Important: At low Nm settings under 5 Nm the click can be ‘subtle’. Between 5 & 20 Nm the click will be stronger. 【Wide Application】 Each torque wrench is fully calibration tested for accuracy to ISO 6789-2:2017 and DIN EN ISO 6789-1:2017-07 requirements and test methods for design conformance testing. High precision 72-tooth reversible ratchet and the paddle of the wrench head can adjust the direction of use at any time. More widely used for Installation equipment, Electrical engineering, bicycle maintenance, Product assembly.