The Danco 3-3/8 inch steel shower drain strainer is designed to protect drains from unwanted debris. It is made with steel for strength and helps to keep drains flowing freely by eliminating clogs caused by foreign objects. It works with 3 inch drains and installs easily with screws.Durable steel construction with a chrome finish,Slotted design helps eliminate clogs from foreign objects,Protects drains from unwanted debris,Easy to install