Material: Made of high quality molybdenum steel, it has a much higher strength than normal steel, designed for better durability and reliability.

Fits chain sizes 420, 428, 520, 525, 528, 530, remove chains and extra links with ease and adjust the length of a roller chain.

Replaceable press pin is heat treated and hardened, please be sure to verify that the push pin is aligned properly with the chain pin.

Highly recommended to grind off the chain pin head before using this tool. This will significantly reduce the load on the tool and help prevent premature wear or damage to the breaking tips.

Package Included: 1x chain breaker shown on the pictures, We focus on customer using experience and try our best to provide the best product and service for our customers, if you have any problems, please feel free to contact us!

Part number: Y-420-530

Fit type: Vehicle Specific
Material: high quality molybdenum steel. Fits chain sizes 420, 428, 520, 525, 528, 530. Package Included: 1x chain breaker shown on the pictures. Easy to install: Note: Please check the last picture carefully to confirm the location of A, B, C, D. 1. Unscrew bolt A so that the pin C is fully retracted into the bolt B. 2. Unscrew bolt B and position the chain under B, so that the ends of the chain pin can fit into the holes D adn the bolt B. 3. Thread bolt B in until the chain is clamped in place, against the hole D. 4. Turn bolt A to push the chain pin head out of its plate. 5. Repeat the operation on the second pin of the link to be disassembled. NOTE: Please compare our product against yours, including Its appearance, size, shape before ordering. Thank You!