Multi-tool Chainchecker with chain hook

• Easy to use chain wear checking tool.

• When the 0.75 = 75% wear is reached the chain must be replaced soon.

• When the 1.0 = 100% wear is reached the chain must be replaced instantly.

• Integrated chain hook holds links during assembly.

• Added valve tool and 5/6/8mm box wrench makes this a unique multi-tool.