Compatible vacuum cleaner adpater, to connect the host vacuum cleaner of small head diamter of 35mm, big head diameter of 40mmFor vacuum cleaner of these model: QW12T-05F, QW12T-05E, QW12Z-05F, QW12Z-05E, QW12T-07C, QW12T-07K , QW12T-06G, QW12T-07A, QW12Z-04A, QW12T-607, QW12T-608, QW14T-06GMade from high grade and rust-free plastic, durable for use.Used to connect vacuums main part and flexible vacuum brush or nozzle.Easy to install and use.A great replacement kits for your vacuum cleaner.Specification:Material: PlasticColor: BlackSmall Outer Diameter: Approx. 35mm/1.38inchBig Outer Diameter: Apporx. 40mm/1.57inchLength: Apporx. 95mm/3.74inchPackage Includes:1 Piece Vacuum AdapterNote:Since the size above is measured by hand, the size of the actual item could be slightly different from the the size above.Due to the lighting effects, monitor settings,etc.There could be some slight difference in the color tone of the pictures and the actual item.