Size details: the white washing drain has a outer diameter of 20 mm or 0.78 inch, which is suitable for most water pipes that are directly 20 mm inside, fitted with 18 - 32 mm drain hose clamps for a stronger connection Please allow slight dimension error due to manual measurementQuality material: each washer extension adapter is made of quality Plastic , resistant to corrosion, high temperature and not easy to break, with nice strength And Metal material clamps are rugged for stable and secure use, which can serve you longerDrain hose connector kit: which is suitable for various kinds of washing machine hose to discharge waste waterSimple use process: you will insert the washing machine connector into the drain horse directly, and don't need to remove the previous hose To install the hose clamp for added strength, use a screwdriver to help you The installation process is simple and fastWide application: a special design of this washing drain hose connector set allows that the interface and the water pipe interface are tight and watertight This drain hose clamp kit is proper for connection or extension to a washing machine, dishwasher, or other water pipesColour:WhiteandsilverMaterial:Plastic and MetalPackage Contents:4 x clamp2 x connectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.