General description 100% brand new and high quality O-Ring designed for Karcher lance hose nozzles. Made from high-quality rubber, these O-Rings are practical and durable, ensuring a long service life. They are delicately crafted to perfectly match the original equipment, providing higher heat resistance and extensibility for easier installation. Regular replacement of aging or damaged O-Rings is essential to prevent issues such as reverse vaporization, which can lead to burns during use. Technical specifications Part Number: 2.640-729.0 Material: Rubber Color: As shown Package Contents: 3 x Sealing Rings Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with Karcher models: K2, K3, K4, K5, K6, K7 Fits behind the nozzle and on the hose for all HD and HDS machines Usage Replace aging or damaged O-Rings to maintain optimal performance of steam cleaner nozzles Prevents reverse vaporization during use Other information Includes a safety lock, detail nozzle,