Scientific DesignSimple pop-up switch design makes it easy to use, just gently press the top cap to retain water and press again to drain water Solid and AestheticStainless steel and brass sink drain, long service life, shiny chrome surface anti-rust and anti-corrosion, with sealing technology, avoid water leakage Widely Use to the 1 " installation dimension, this drain plug fits all standard commercial sinks with overflow. Please pay attention to the installation size of your sinks before purchase Easy to CleanYou can easily unscrew the top pressure cap of the drain and clean it with a soft cloth Installation EasyThe pop-up drain system can be installed in just a few steps completely without using commercial sink instructions due to the simple and practical structure. Materials Pop-up drain made of stainless steel, heat-resistant, good thermal stability, anti-oxidation. Chrome-plated finish, scratch-resistant. With Overflow This pop-up drain has an overflow hole to prevent overfilling of the sink, it is a good household helper for you. Wide Application to the 1 "connection, this pop-up drain is suitable for most standard traps and odor traps. Accurate Dimension Total Height: 80 mm Plug Diameter: 37.5 mm Thread Diameter: 39 mm Fitting Size Inlet: 1 1/4" Delivered Quantity: 1 piece Easy Installation Put the upper washer on the sink drain hole and apply silicone sealant to this position Put the main body into the sink Put the lower washer on the threaded part and apply silicone sealant to this position Tighten the locking part