BICYCLE CHAIN LINK PLIERS - The handle is made of rubber with comfortable, non-slip coating and spring loaded design to save energy; 2 in 1 combination tool, easy to open and close. Chain bypass tool: very smart design, easy to break, easy to re-chain, unique groove on the top to easily see the distance where you pulled out the pin and remove the cut chain with the pin from the tool. Chain wear indicator tool: the chain checker is made of manganese steel, two precision displays of 0.75 and 1.0, help you to assess the wear and stretch of the chains quickly, and decide whether to change a new one or not. High Quality and Portable - Made of high quality durable steel, can be used for a long time; small and sturdy, easy to carry anywhere and anytime, can be used as a travel tool kit to solve most bicycle problems. Universal bicycle chain tool kit - Bike chain repair tool kit is suitable for 6, 7, 8, 9, 10 speed chains, includes link pliers, chain bypass tool, chain wear indicator.