The Topeak Nano TorqBit is a 1/4" hex bit with a fixed preset torque value that you can use with each bit holder and each bit. I personally use it in combination with the Fix It Sticks T-Way wrench that I reviewed a little while ago, but it also comes in a set called the Topeak … [Read more...] about Topeak Nano TorqBit for TorqBar