Fisher 64211, 2 each 1/2″ elbows, 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 elbow kit allows you to easily install supply lines within the 2-1/2″ gap behind the backsplash of the sink by turning the water down 90 degrees.