Topeak nano torqbar dxthe nano torqbar dx set includes 4 5 6nm torqbits and is the slimmest and most compact pre set torque wrench available it is a precision crafted high quality tool for 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 included are the 5 most popular tool bits 3 4 5mm hex t20 t25 to