Use these for PEPSI-style Corny kegs.
5/16" connectors - barbed style for easy slip-on of gas and beer lines
Work with 3 gallon, 5 gallon, and 10 gallon soda kegs
Work with 5/16" inner diameter gas line tubing and beer line tubing
Light Gray ball lock is for gas in
Black ball lock is for beer out
Quality construction - Stainless steel posts, barbs, and ball lock. Sturdy plastic surround
it is Food-grade plastic .it is very safe to use it.