size - 0.4 (10mm); Outside diameter: between 0.7 (18 mm). Quick connect hose for karcher K2 K3 K4 K5 K6 K7. durable - high pressure extension hose with higher flexibility and rubber coating, durable and wear resistant. High voltage - 1000 2320 ps. Can be used at a maximum water pressure of 160 bar and a temperature of 60C.Easy to use - Immediately connect or reconnect the hose by pressing the lock button on the gun. widely used - for effectively cleaning and applying pipe cleaning components for pipes, drains and downspouts. Product Size: 6m Product Inner Diameter: 8.8mm; Outer diameter: 12mm connection between: butcher cup; < Outlet fittings: click the "plugged fittings" button brass fittings features: When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it