Venzo Bicycle Bike Torque Wrench Allen Key Tool Socket Set Kit 2-24NM ESSENTIAL: Too much tightening will deform bike parts. Too little torque would mean the parts are loose. All the torque wrenches are pre-calibrated in the factory. Please read the instruction carefully to avoid any damage.ACCURATE: It is the torque wrench with a preset lock ring. Unlike others the presetting could be changed when turning the handle, the torque wrench comes with a lock ring to freeze the preset value. 1/4"' Torque Fix Set,GREAT FOR BIKE: Torque range: 2-24 NM is just great for bike parts such as seat clamp, stem bolts, headset bolt and disc brake rotors etc. Included bits: Hex allen Keys 3 /4 / 5 / 6 / 8 / 10 mm, plus 5mm and 4mm Longer Allen Key for easy use, T20, T25 and T30 Torque Tolerance in: Accuracy +/- 4%. ORDER NOW, WORRY FREE! Made in Taiwan.Note: Stop turning when you feel a 'click'. 'Click' means the torque has reached preset value.