Fisher 64238, 2 each 1/2″ m x 1-3/4″ nipples, polished chrome genuine fisher manufacturing faucet or pre-rinse component. Designed by fisher to meet the durability, harsh chemicals, and heat abuse found in commercial, institutional, and industrial foodservice environments. Built to last with the environment taken into consideration. The nipple kit allows you to install any wall mount faucet to the backsplash of a stainless steel sink.