MFL Quick DisconnectThreaded Beer Cornelius Keg Ball Lock Disconnect Fitting with MFL Swivel Nut makes hose changes and extra equipment a breeze, giving your keg system more options for extra features and possibilities Buy accessories separately? Do not Ball lock fittings come complete with seal and hose connection parts, 5/16" barb for connecting grey disconnects to gas hoses, 1/4" barbs for connecting black disconnects to liquid hoses , the clip guarantees no leakage when connecting Your Choice for Long-Term UseThe Ball Lock Accessory Set is made of stable PBT material with strong oil resistance and its smooth surface is easy to clean. Stainless steel has strong corrosion resistance and is not easy to rust. Make your beer brewing more economical POWERFUL APPLICATION KIT YOU NEEDMRbrew Ball Lock Keg Fitting Ideal for Most Cornelius Keg, Pepsi Keg and 7-UP Cans, Also Works as a Home Brew Adapter for Corny & Keg Couplers for Beer, Soda and Others Drink distribution