Weanas Bike Chain Tool Set of 6 Chain Breaker Splitter Tool, 6/7/8 9 10 11 Speed Chain Link Connector Chain Checker, Essential Bicycle Repair Kit Bike Chain Repair Tool Set of 6: Including 1 pcs chain breaker splitter tool, 4 packs 8/9/10/11 speed quick-link and 1 pcs chain checker, perfect match for most your bike chain repair and save your precious time for pick and match. Bicycle Chain Splitter Tool: Designed for quickly and accurately remove and install chain pins. Convenient, durable, well-made - metal frame, handle with rubber coating, comfortable feel, non-slip. General suitable for the 7/8/9/10 speed chain. Speed Chain Connector: 4 packs(1 pairs each speed). Made of high quality steel with fine treatment and precision machining, robust, tough, antioxidant and durable. Single-use connecting link, no tools needed. Bike Chain Checker: Easily and accurately check the stretch and wear of your chain. Indicates when chain reaches 0.75% and 1%, the points at which most chain manufacturers suggest replacement. 100% Satisfaction Guarantee: Backed up with our lifetime guarantee. There is any unsatisfaction, please contact us, we will send you replacement or return your money back.