MULTIFUNCTION: This kit use carbon premium steel and high-quality plastic, this bicycle repair tool kit is durable enough for the repair of tires, brakes, lights & chains, the 44 pcs tools perfect for all demands of bicycle repairing. EASY TO USE: This bike tool kit set is equipped with a suitcase which can organize all the tools in the place, it is also durable and lightweight enough so that you could carry it easily and conveniently to anywhere as you want. ESSENTIAL TOOLS SET: This repair tool kits not only can be used to bicycle repair, but also can be used as the household tool. All the tools you need are included. PACKAGE INCLUDES: Tire repair kit, Freewheel removal tool; chain rivet extractor; key for 30 / 32mm and 36 / 40mm headphones wrench; chain whisk; tire pressure measuring pen; open wrench 8 / 10mm; Phillips screwdriver; crank rod; allen wrench; adjustable wrench; adjustable locking ring key; pedal wrench, etc. PERFECT FOR BIKE REPAIR: This bicycle maintenance tools set has all you will need for basic maintenance and tune-ups, it is a great kit for any bicycle owner, especially the beginner mechanic.