The 8-Bit Pack Pliers are a lightweight multi-tool with 17 functions. Eight attachments nest inside the handles of the master link pliers using magnets and a clever storage system. These attachments then fit into an 8mm ball detent swivel head that has a 4mm opening for hex bits, which adds functionality to the already-versatile master link pliers. This new multi-tool was created to solve almost any minor repair on MTB and road bikes alike.Features: Magnets keep all bits in place Ball detent swivel head helps access hard-to-reach places Handle doubles as breaker bar for extra torque when the head is bent 8mm hex bit tested to over 40 Nm torque 17 Functions: Spoke wrench Valve core wrench Flathead #3.5 and Phillips #2 screwdriver bits 2, 2.5, 3, 4, 5, 6, and 8mm hex bits T10, T25 Torx bits Install and remove chain master links (master links not included) Clear tyre sealant clogs from valve stems Tighten valve stem lock nut Compatibility: Pliers work with 9-, 10, 11, and 12-speed master links and chains (not compatible with Campagnolo 12-speed chains) Master Link storage is compatible with SRAM PowerLock, Shimano, KMCand other similar master links (not compatible with Connex Links by Wipperman) Tech Specs: Weight: 68g Size: 146mm x 20mm x 9mm Materials: 7075-T6 aluminium handles, CrV tool steel swivel head, S2 tool steel bits