This tool is made of stainless steel and is very durable. It is a good product at different levels of work. Technically it has everything you need and the basic flat Fix features are also good. In addition, due to its small size and good structure, you can turn easily. It is very convenient to use throughout the repair process. 14 multi-function integration tools - 1. Chain cutter in chrome vanadium steel, 2 keys t25, 3 pcs. Inner hex wrench 1.5\-2\-2.5\-3\-4\-5\-6\-8\, 4. Tire lever, 5. Spoke wrench / 3.2 - 3.4 mm, 6. Phillips screwdriver,7. Phillips screwdriver. The repair kit is made of high quality carbon steel and hard steel. Fine and professional workmanship, elegant design, durable, stronger and more efficient. It weighs only 7.77 oz / 0.48 LB, which makes it extremely light and portable. Simple operation. These bike repair kits are small enough to fit in a bag or pocket. An important tool of the cyclist broke on the track. A repair kit can help you fix the problem easily. It can also do basic maintenance work and can be used as a daily home repair tool.