High-quality material: Made of 6061 aluminum alloy, treated with T6, which is harder than ordinary keys and prevents deformation when opened. [Applicable product]: DUB/TL-FC32 key, TL-FC25/TL-FC24 adapter PORTABLE DESIGN: The compact shape makes it easy to carry and use, and the length is long enough to provide enough leverage to use the key with ease. Can be stored in the cover when traveling. Provide protection for your trip. Versatile: The double-sided binder can be used in two different outdoor locations. Suitable for production lines, factories, repair shops, bicycle repair shops and personal bicycle modifications. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.