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. These heavy-duty O-Rings are essential for maintaining the efficiency of your pressure washer and steam cleaner, preventing issues such as reverse vaporization that can lead to burns. Technical specifications Part Number: 2.640-729.0 Material: Rubber Color: As shown Package Contents: 5 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 hose on all HD and HDS machines Usage These O-Rings are useful spare parts for uninterrupted use of your steam cleaner and pressure washer. It is recommended to replace the sealing ring promptly