Features: Used for breaking chain, for repairing/replacing roller chain, to add/remove links of chain. help you save for time and make you more efficient. Material: High-carbon steel material, composite-reinforcement, for Extra niddle pin included, durable, spring-pressing and labor-saving design, cut chain into the length your need without any other tools. How to use: Squeeze the handles together to open the jaws-. Place jaws- around the-link you want to break. Release the jaws-. The pin should be over the pin in the chain. Turn the handle and the pin of the chain break will push the pin in the chain out. Heavy duty forging-steel construction, high strength, durable and rust-proof. It is recommended to grind off the chain pin for 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 Includes: 1 Set Motorcycle Chain Breaker Specifications: Material:Steel Size: Approx.25x16x3.5cm/9.84x6.29x1.37inch Color:Black note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.