Made of high-quality material, durable and practical to use. Delicate and exquisite, highly compatible with original equipment. Offers higher heat resistance and stretchability, and is easier to install. Solid and durable with a long service life. Without this sealing ring, the nozzle of the steam cleaner may cause back spray of steam during use, which could result in burns. When the sealing ring shows signs of aging or damage, replace it promptly. Replacement O-ring set for various steam cleaner accessories. Includes O-rings for safety lock, detail nozzle, extension, steam hose, and iron connection. Useful spare part set for uninterrupted operation. Heavy-duty O-rings compatible with pressure washers and steam cleaners. Fits behind the nozzle, on the lance, and on the HP hose (that screws onto the machine) for all HD and HDS models. Also fits K2, K3, K4, K5, K6, and K7 models. Part Number: 2.640-729.0. Color: as shown. Material: Plastic. Package Contents: 1 set x Seal ring (20 pcs). Package includes only the items listed; other products are not included. 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.