[Precise Compatibility] Designed for 550W silent oil air compressors with an inner diameter of 63.7mm, ensuring a perfect fit for optimal performance. [Effortless Installation] Easy to install and disassemble, saving you time on maintenance and repairs. [Durable Construction] Made from cast iron, this cylinder sleeve is designed to withstand heat and pressure for long-lasting use. [Stylish and Safe Design] Glossy exterior protects accessories during installation, combining aesthetics with practicality. [Standardized ] Features a 69mm outer diameter and 24.5mm height, meeting the standard size requirements for air compressors., Manufacturer: Zerodis