Size details: the white washing drain has a outer diameter of 20 mm/ 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:White+silverMaterial:Plastic + MetalPackage Contents:4 * clamp2 * 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.