Versatile functionality presses master links and rivet pins and joins chain links with a rotating anvil for precise, controlled operation. Reliable performance delivers dependable performance and versatility, designed for ease of use and confidence in handling chain maintenance tasks. Effortless maintenance built to press, break, and rivet 520, 525 and 530 chains, providing comfort and efficiency across different chain sizes. Durable construction made from heavy duty steel, heat treated for strength and coated to resist rust, ensuring long lasting reliability. Use scenarios field repair on motorcycles or bicycles with 520, 525 or 530 chains, enabling quick, on site chain maintenance. workshop maintenance across various chain sizes, suitable for regular service and chain upgrades. professional service scenarios in bike shops or repair centers that require reliable, repeatable chain riveting and master link installation.