Kegco SHANK4 3/16" I.D. Bore, 4-1/8" Long Shank with Nipple Assembly, Brass Used to attach beer line to a faucet through wall, refrigerator door, cabinet, etc. 4-1/8" long beer shank with nipple assembly 3/16" I.D. Beer line connection Forged Brass lock nut and black plastic flange Home brew kits and accessories