and high quality. Made of high quality material, durable and practical to . Delicate and exquisite, highly match the original equipment. Has higher heat resistance and stretchability, and is easier to install. Solid and durable, long service life. Without this sealing ring, the nozzle of the will the phenomenon of back spray when in , which is likely to . So when you find the sealing ring is aging and , please replace it in time. Replacement O-ring set for replacement of O-rings for diverse accessories. Including safety lock, detail nozzle, extension, hose and iron connection. Useful spare part set for uninterrupted . Heavy duty O-rings for pressure washers and cleaners. Fits behind the nozzle. on the lance and hose ( screws onto the machine)on all HD and HDS machines. Also fits K2 K3 K4 K5 K6 K7 Number: 2.640-729.0 colour: as shown Material: Plastic Package Contents: 1 set x Seal ring (20pcs) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.