Park Tool TW-6.2With the increasing number of lightweight components and torque specifications found on bicycles, a good torque wrench is a necessity for every mechanic. The TW 6. 2 is a high quality ratcheting click type torque wrench that accurately measures and applies the proper amount of torque to threaded fasteners. The TW 6. 2 is designed for higher torque settings that can be found on components such as bottom brackets, cassette lockrings, and crank bolts.