This is the manufacturers original 8m hose with 1/4" female screw thread and M22 female screw thread connectors (please see close up photos to check its the same as yours). These hoses are not extension hoses, they fit between the trigger gun and the Lavor machine. This hose is usually connected to the quick release connector that then fits into the trigger gun. This hose is rated to 160 bar max. pressure.