Size:66*80*41mm pop-up: Thanks to the very simple pop-up function, the vidage game is closed and opens into a fraction of a second Extra stable enhanced spring integrated without premature fatigue. Durable material: Chrome brass emptying bond. Give a new shine to your sink with the dump blade valve with overflow Installation without tool: The installation can be performed quickly and easily in a few steps, completely without tools (in a sink with overflow). the bung Pop-up washbasin is an overflow design that suits the washbasins with overflow hole. Just push the pop-up lid gently to switch up and down. This CLIC-CLAC spring cap with overflow for bathroom washbasin is suitable for the size of the 3.1 cm hole. Please check the size of your sink hole before placing an order. The shed spring slot is made of durable massive brass and the surface is chrome to avoid corrosion. Thick silica gel seal.