Description: Product name: chain connecting tool roller chain cutter Made from carbon steel. High hardness and high strength This chain connecting tool can help you connect the shorted chain or broken chain easily small, lightweight, portable Suitable for most chains like motorcycle chain or machine chain Specification: Using Methods: Find the chain on your old chain Count the of links and length you need Shorten the new chain to the desired length by chain connecting tool Use a connecting link connect the ends together Easily pull the chain together for connecting Size Chart: Style A: 6cm-10cm/2.36-3.94inch Style B: 10cm-20cm/3.94-7.87inch Package Includes: 1 Chain Connecting Tool Note: Please allow slightly errors due to manual measurement and different monitors.