Fitment: Suitable for chain sizes: 420/428/520/525/528/530 High quality: The motorcycle chain breaker is made of quality alloy steel with fine quenching, high strength, strong and robust. High performance: The replaceable pin is heat treated for strength and resistance to wear. The surface is processed with special treatment, makes it anti-rust and durable.Application: Universal application for motorcycle/bicycle/ATV chains, for chain remover/cutting/driver tool.Guarantee 100%: Our warranty period it is 6 months. If you encounter any problems during use, you can contact our customer service, they will provide you with a solution in time. Specification: Material: Alloy Steel Color: Golden Suitable for Chain Sizes: 420/428/520/525/528/530 Thimble Diameter: 3.2mm Package Weight: Approx. 240g / 17.6oz Fitment: suitable