Tower Adapter - 3" Column - Chrome - 2 Hole - 1 Shank Draft Beer Tower Adapter Features: Easily convert an existing 1 faucet tower into a 2 faucet tower! Specifications: FinishChrome Diameter3" (only fits over metal columns) IncludedShank assembly, drill bit, screws Notes on Tower Adapter: Re-use the existing shank and faucet. Beer Tower Adapter Required Items: 5' x 3/16" I.D. clear hose Hex Nut, 3/16" I.D. Tailpiece, 133SL Stepless Clamp x2, Neoprene Washer Chrome