PERFECT INSTALLATION DIMENSIONS: Sink drain with overflow with 1 "connection fits all standard sinks and sinks! POP-UP: Thanks to the very simple pop-up click function, the sink drain set closes and opens in a fraction of a second! Integrated extra stable improved spring without premature fatigue. DURABLE MATERIAL: Chrome-plated brass drain plug. Give your sink a new shine with the drain valve with overflow! TOOL-FREE INSTALLATION: Installation can be done quickly and easily in just a few steps, completely without tools (in a sink with overflow). Clic-clac drain with overflow The drain Pop-up sink is an overflow design that is suitable for sinks with an overflow hole. Just gently push the pop-up lid to swing up and down. This click-clack spring stopper with overflow for bathroom sink is suitable for hole size 1.25 inch. Please check your sink hole size before ordering. The spring loaded sink drain slot is made of durable solid brass and the surface is chrome plated to prevent corrosion. Thick silica gel gasket. Standard 1.25" drain Overflow and pop-up design Solid brass body Chrome plated Easy installation Note: The data is manual measurement, please allow an error of 1-108cm, due to differences in light and screen, there will be some color difference, the specific received in kind shall prevail.