Pedros y hexthe pedros y hex tool features 3 of the most commonly used hex sizes for working on your bike it also has an ergonomically shaped head that fits comfortably in your hand for efficient leverage featuresmaterial heat treated tool steel with durable plastic bodyergonomic shapefeatures 4 5 and 6mm sizespedros lifetime warrantybuypedros workshopfrom chain reaction cycles the worlds largest online bike store