Premium Material: The basin sink is made of high quality copper, fine workmanship, corrosion and rust resistant. The gaskets are made of high quality silicone, anti-aging and anti-cracking, have stronger sealing performance. Unique Design: Slotted basin sink waste has a unique design that prevents overfilling, the solid brass bouncing cores have good rebound and rebound resistance so water can quickly seal and drain water with a single press. Easy Installation: Automatic pop up with overflow can be installed in a few steps completely without using commercial sink instructions due to its simple and convenient structure. Easy to Clean: Large retractable chrome pop-up drains are easy to clean, all components can be easily removed. You can easily unscrew the top drain pressure cap and clean it with a rag. No hair and encrustation. Wide Usage: The drain pan is suitable for all commercial sinks, with a standard installation dimension of 1 ", good for kitchen and bathroom. Please pay attention to the installation size of your sinks before purchase.