The AXIS FLOOR DRAIN ROUND STAINLESS STEEL 4" X 4" 5MM is a floor drain made of 304 stainless steel. It is 4 inches in diameter and has a 5mm thickness. The drain comes with a round cover that is also made of stainless steel. The drain is designed to be used in commercial and residential applications. It is resistant to corrosion and rust, making it a durable option for long-term use. The drain is also easy to clean and maintain.