These 4933SS faucets are the most durable faucets on the market today. Each premium quality faucet features a 304 stainless steel body with a polished finish. The lever and shaft assembly are made of 303 stainless steel and includes a nylon ball washer that ensures smooth operation. The stainless steel lever has standard threading that is compatible with most branded tap handles, and is more durable than a brass lever, making it preferable for heavy use environments such as bars.