1. This is a practical multi-functional plier specifically designed for bicycle chain operations and is a useful tool for mountain bike enthusiasts. It is a bicycle chain plier and can also be used as a bicycle magic link plier, enabling easy quick-release buckle operations on mountain bike chains. 2. This plier is made of steel, which is sturdy and durable. It can withstand relatively large forces and is not easily damaged during frequent use, providing reliable long-term support for your bicycle maintenance. 3. It has an elegant design and a compact shape, belonging to the mini-plier type and is easy to carry. Whether you encounter chain problems during a ride or perform daily bicycle maintenance at home, you can take it out at any time. It has diverse functions and can meet various chain operation needs. One tool can solve multiple problems, greatly improving the efficiency of use. 4. In addition, although this plier is small in size, it is powerful. It can easily handle various chain quick-release buckle operations, making your bicycle maintenance simpler and more convenient. It can be said that it is a practical tool that every bicycle enthusiast can benefit from, adding more convenience and fun to your cycling life.