Pomeat 6 Pieces Missing Link Ii Bicycle Chain Link, 6, 7 And 8-SpeedPackage includes--6 Pairs Bicycle Missing Link,chain wear checker and chain breaker; 3 practical bike tool in 1 package Chain Breaker Splitter Tool--very smart design, which easy to break, easy to re-chain --unique groove on the top make it easy to see how far you have pop the peg ..