Allen keys are indispensable if you want to repair your bike. This nine-piece set offers you all frequently used allen sizes at hand. The set includes 1.5 / 2 / 2.5 / 3 / 4 / 5 / 6 / 8 and 10mm allen keys. They are held together by the included holder and sorted by size. The long end of the key is provided with a rounded head so you can tinker at an angle.