K&B Beer Shank with nipple - Chrome Plated 2-1/2 inch - 3/16 bore Made of heavy duty chrome plated brass to prevent metallic off flavors 3/16 inch bore/nipple 2-1/2 Inch threaded, total length 3-1/2 Inches - perfect for going through a standard 2x4 or 2x6 or refrigerator wall Standard 7/8 inch with forged brass hex nut Fully assembled Shank and Nipple, and forged brass nut to hold in place