The Topeak Mini Folding Multi Tool can keep them bolts tight while still being small enough to carry anywhere! Tool Material: Hardened Steel T25 Torx head Body Material: Extruded Aluminum Mini 9 features 2, 2.5, 3, 4, 5, 6mm Allen Wrenches, with a clip-on 8mm socket attached to the 6m head, T25 Torx head, and Philips screwdriver Includes: 2, 2.5, 3, 4, 5, 6mm Allen Wrenches, with a clip-on 8mm socket attached to the 6m head, T25 Torx head, and Philips screwdriver