Keg Coupler Barb Connector, 4 Pcs Homebrew Kegerator Sankey Couplers O.D 1/4'' 1/4'' Beer Barb and Standard G 5/8 Thread: O.D 1/4'' beer barb can be attached to I.D 1/4'' or 3/16'' beer dispensing line, G 5/8 thread hex nut can be screwed on most standard thread sankey keg coupler. Anti-Leaking Beer Gaskets: the white washer is to be placed on keg coupler beer liquid connection end to seal the connection and prevent leaks between the tailpiece nipple fitting and kegerator coupler. Sturdy Material: the barb fitting is made of anti-rust chrome-plated brass. sealing o-ring is made of healthy silicone, last long and will not bring odors to your brewing beverages. start enjoying, no longer miss any game! Kegging Necessaries: necessary for home or commercial brewing systems, a perfect piece for any brewers equipment home or commercial. we will unconditionally solve your problems if you are not satisfied! Wide Application: can be used on D system keg Coupler, S system keg coupler, A system keg coupler, G system keg coupler to dispense beer, kombucha, soda water and other carbonated drinks like a champ for your backyard BBQ, wedding, graduation party, outdoor picnic, etc.