15 Feet of 3/16" Clear Beer Line with Hexnut Assembly Assembly comes standard with 15 Feet of 3/16" I.D. (7/16" O.D.) Clear Beer Tubing made of Themoplastic Vinyl Hose This tubing meets and exceeds all rigid demands for beer dispensing. This assembly comes with one Plastic Snap Clamp (reusable clamp design) Hex Coupling Nut (connects to most standard keg coupler).