The Kegco SHANK3-ASC 3-1/8' Stainless Steel Nipple Shank is used to attach a beer line to a faucet. The shank can be mounted through a 1' hole in a wall, refrigerator door, cabinet, etc. The stainless steel shank comes with a black flange on the front and a compression ring on the back. The compression ring is used to secure the shank to the mounting surface. Shank comes fitted with a tail piece for beer line connection but does not include a faucet. This stainless steel shank is 3 1/8' long measured from the end of the threading to the end where the faucet attaches.