1. This bicycle screw-type freewheel socket is a practical tool specially designed for mountain bikes. It belongs to the category of wrenches and is made of relatively good steel, which is sturdy and durable. It can withstand relatively large external forces and is not easily damaged, ensuring that it will not deform during use and allowing you to use it with more peace of mind. 2. Its unique design feature is that the size is lengthened. This lengthened design makes it more convenient to install and remove the small freewheels of mountain bikes. It can easily reach some hard-to-reach areas, providing you with more operating space and greatly improving work efficiency. Whether you are a professional bicycle repairer or a cycling enthusiast who likes to maintain your own bike, this lengthened freewheel socket can be your reliable helper. 3. In terms of aesthetics, it has a simple and elegant appearance design with smooth lines, showing a delicate industrial beauty. It is not only a practical tool but also an item with a sense of art. It will be a unique sight on the tool rack. 4. With its decent materials and careful design, this bicycle screw-type freewheel socket can meet your needs for installing and removing the small freewheels of mountain bikes. It is a practical good thing that you should not miss.