The KUKKO Quality Tools Basic Chain Breaker is designed for chain pin diameters ranging from Ø 3.28 to 5.72 mm, making it an essential tool for mechanics and DIY enthusiasts. This robust chain breaker is constructed from high-quality materials, ensuring durability and reliability during use. Its compact design allows for easy handling and storage, while the precision engineering guarantees effective performance. Ideal for various applications, this tool is perfect for breaking chains in bicycles, motorcycles, and other machinery. With KUKKO's reputation for quality, this chain breaker is a must-have for anyone needing a dependable tool for chain maintenance.