1" stainless steel hex nut. Used to attach a tailpiece barb to either a faucet shank or keg coupler. You will also need a tailpiece gasket to form a seal. See below for EPDM, Silicone, and Vinyl options.

  • Female Beer Thread (5/8" BSP)
  • 5/8" top port opening

Comes in a convenient zip lock bag.