Compatibility and fit - Compatible with 10-speed chains. Please confirm your bicycle chain model before purchasing to ensure proper fit. Material and build quality - Made of high-quality steel with high strength and wear resistance. - Smooth edges help prevent damage to the chain and promote smooth chain rotation. Durability and usability - Reusable and sturdy, designed for repeated use. - Easy to assemble and disassemble, making it a reliable bicycle repair tool for temporary use or routine chain maintenance. Usage instructions and cautions - Note: Do not disassemble or reassemble the chain link more than five times during a single use, as excessive handling can affect performance. Use scenarios - On-the-road repairs when you are away from a workshop or tools. - Quick maintenance during long rides, such as cleaning or lubricating the chain. - Temporary chain adjustment or servicing for 10-speed setups during travel or camping trips.