STORAGE CASE This bicycle repair kit comes with a durable case for easy carrying, and the tools can be stored neatly Chain breaker Thimble is heat treated for durability Bit and socket set Made of chrome vanadium steel and known heat treatment for strength and durability 2 in 1 Adjustable wrench Great tool for disassembling the center axle and chain whip crankset to disassemble the flywheel Hex key Made of high quality steel with the non-slip TPR handle for comfort and durability WIDE APPLICATIONS.