Material with high hardness - Made from high-quality brass and alloy steel, this controller component offers high hardness and long service life. Good sealing - Equipped with a rubber seal for high temperature resistance and reliable sealing, ensuring dependable performance. Surface burr-free - Manufactured to the original size with precise workmanship; surface is burr-free for smooth operation and consistent fit. Durable and accurate - Improved durability and precision for professional-grade performance; designed for easy installation and operation, even for new users. Size and compatibility - Original-dimension design to ensure easy replacement without modification and guaranteed compatibility. Applications and use scenarios - Replacing a worn controller component in industrial machinery or hydraulic control systems that require strong hardness and reliable sealing. - Retrofit or maintenance projects where exact fit and straightforward installation reduce downtime and maintenance effort. - DIY projects or workshop setups that need a dependable, easy-to-install controller component with precise sizing and durable performance.