1. Versatile Chain Compatibility: This tool is designed to press, break, and rivet standard 520, 525, and 530 chains, offering convenience and efficiency in handling multiple chain sizes. 2. Superior Construction: Made with heavy duty steel, this set ensures durability and longevity, heat treated for added strength, and coated to prevent rust, making it reliable for long term use. 3. Multiple Functions: This set allows you to dismantle chain pins, press master link plates, and rivet both hollow nose and soft nose (four stake) master link pins. The rotating anvil allows for easy switching of tool functions. 4. Easy to Use: User friendly design with clear markings makes chain maintenance tasks hassle , providing efficiency in pressing, breaking, and riveting chains for a smooth process. 5. Reliable and Versatile: This chain breaker set offers reliable performance and versatility, designed with attention to detail for convenience in handling chain related tasks with ease and confidence. Specification: Item Type: Chain Installation Removal Tool Material: Metal Color: Black Needle Size: Approx. 5x40mm / 0.20x1.57in Applicable Chain: 520 525 530 Not applicable to 428 PackageList: 1 x Chain Breaker Tool 5 x Accessories 1 x Blowed Box Notice: Not applicable to 428