The Nano TorqBar 4Nm set includes 4Nm TorqBit (5/6Nm TorqBit also available) and is the slimmest and most compact preset torque wrench available. It is a precision-crafted, high quality tool for either the home mechanic, professional bike shop, or your own jersey pocket. Its advanced torque limit release design consistently applies precise torque values on component bolts for safety and prevents damage to expensive carbon parts. Also includes the 5 most popular tool bits, 3 / 4 / 5 mm hex & T20 / T25 Torx®. Two of your favorite bits can be carried in the handle of the Nano TorqBar for immediate use and even greater portability during rides.