Made of high-quality material, durable and practical to use. Delicate and exquisite design ensures a precise fit with the equipment. Offers high heat resistance and stretchability, making installation easier. Solid and durable construction for long service life. Without this sealing ring, the steam cleaner nozzle may experience back spray of steam during use, which could potentially cause burns. If the sealing ring shows signs of aging or damage, replace it promptly. Replacement O-ring set designed for various steam cleaner accessories. Includes O-rings for safety lock, detail nozzle, extension, steam hose, and iron connection. Useful spare part set to ensure uninterrupted operation. Heavy-duty O-rings compatible with KARCHER pressure washers and steam cleaners. Installs behind the nozzle, on the lance, and on the HP hose (the part that screws onto the machine) for all HD and HDS models. Also fits K2, K3, K4, K5, K6, and K7 series. Model Number: 2.640-729.0. Color: As shown. Material: Plastic. Package Contents: 1 set x O Ring for Pressure Washer. Only the items listed are included; other products are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.