The backbone toolset of any bike enthusiast has to be based on the parts of the Crank Brothers Multi 5 Tool. Convenient, reliable, and compact, youll find everything you need to maintain your equipment this side of a mechanics counter. The Multi series of tools are Crank Brothers most popular and best-selling series of tools. The number in the name corresponds the number of parts in the tool. Weighing in at 85 grams, the Multi 5 Tool features an aluminum frame with sturdy high tensile steel components. It includes #3, 4, 5, and 6 hex wrenches and a phillips screwdriver. Unseen but ever-present is Crank Brothers lifetime warranty. For those looking for a bulletproof toolset that can travel with them, the Crank Brothers Multi 5 Tool provides all of the basic necessities for maintaining your favorite ride.