The Topeak Ratchet Rocket Lite NTX has everything you need to fix and make precise adjustments to your bike while on the road. Featuring a fine tooth ratchet mechanism with reverse lever and thumb wheel with adjustable torque TorqBit for ease and accuracy in tight spots. Includes magnetic bit holder, hardened steel tools in 2, 2.5, 3, 4, 5, 6 and 8mm hex, T10, T15, T25 Torx, #2 Phillips bits and CrMo steel chain tool. The protective case keeps things organized and secure, and even has a pocket to carry glueless patches. The chain tool is compatible with single and multi-speed chains up to 12 speed, NOT including Campagnolo hollow pin chains.