This is an essential tool to have for anyone working on their own machine. It is specially designed to quickly and accurately remove and install chain pins. It can help you remove chains and extra links save your effort. You no longer need to make tremendous force to remove the chain pins of your motocycle/bike. Features: 1. Made of metal material high strength durable in using. 2. Designed to quickly and accurately remove and install chain pins. Don't need to make tremendous force to remove the chain pins of your bike. 3. Light weight it's the perfect take-along chain tool. 4. Easy to use and easily breaks chain in seconds. 5. Press pin is heat treated and hardened. Specifications: Thimble diameter: about 3.8mm/0.15in Card slot width: about 33mm/1.3in Weight: 300g Step for Usage: 1. Adjust the hexagon nut according to the size of the chain. 2. Centering the needle on the chain bar position. Then tigthen the bolt to fix the chain righty there. 3. Screwing the bolt in more. Pushing the chain bar out of the chain. 4. Chain break have already finished. Note: The right way to use the product so as to avoid the improper operation of the thimble fracture or deformation.Products from WUZHOU's store