Size - 0.4" (10mm); Outer Diameter: 0.7" (18mm) Inlet. Quick Connect Hose for Karcher K2 K3 K4 K5 K6 K7.Durable - High pressure extension hose for greater flexibility with rubber coating, durable and abrasion resistant.High pressure - 1000 to 2320 PS. Can be used with water pressure up to a maximum pressure of 160 bar and temperatures up to 60 C.Easy to use - Immediately connect or release the hose by pressing the gun lock button.Wide applications - The pipe cleaning set for effectively cleaning and unclogging pipes, drain pipes and downspouts.Product DescriptionSize:6mProduct description:I.D. : 6mm; O.D.: 11mmInlet fitting: Karcher Cup;Outlet connection: click Type Plug ConnectionFitting material: brassHose material: Braided steel wireWorking pressure: 160bar / 2320psiMaximum pressure: 400bar / 5800psiMaximum temperature: 60 / 140