Topeak torqbox nanothis topeak torqbox nano tool set contains 456nm torqsockets that will work with any mini tool containing a 5mm allen wrench or single 5mm allen wrench its advanced torque limit release design consistently applies precise torque values on component bolts for safety and prevents damage to expensive carbon parts a carry case neatly stores three preset torqsockets and the 5 most popular tool bits 345 mm hex t20t25 torx featurestool material hardened steel allen bi