General description Bike Chain Tool Set includes a combination of essential tools for maintaining your bicycle chain. This set features a chain breaker tool, link pliers, and a chain wear indicator, all designed to make chain maintenance easy and efficient. Technical specifications Material: K5 steel + carbon steel + manganese steel Compatibility: Suitable for 6/7/8/9/10 speed bicycle chains Usage Bicycle Chain Quick Release Links: Smooth edges prevent damage to the chain and allow for easy use without additional tools. Bicycle Chain Wear Indicator: Quickly assess chain wear and stretch to determine if a replacement is necessary. Bicycle Chain Link Pliers: Efficiently remove connecting links with this advanced tool designed for opening and closing links. Bicycle Chain Splitter Breaker Tool: Features a unique groove for visibility on peg ejection, making it easy to break and re-chain. Other information Note: The metal components may oxidize over time.