UNIVERSAL STANDARD SIZE & NO LEAKS: For Cornelius keg, standard size (19/32-18) keg posts for replacement of worn out posts that no longer seal properly. Ball lock posts with high quality o-rings to prevent leak. HEALTHY MATERIAL & DUARABLE CONSTRUCTION: Made of stainless steel for long last durability, better material for healthy life. Detachable design for easy daily cleaning. Perfect replacement parts for used kegs. WHOLE SET POST WITH REPLACEMENT O-RINGS: 1 x gas post, 1 x liquid post in the package, replace old keg posts with the new one immediately after opening the package.Comes with replacement O-rings. HOW TO IDENTIFY THE GAS POST/ LIQUID POST: There is a circle of small notch at the bottom of the gas post, and no marks on the liquid ball lock keg posts. Please make sure you have the right post for replacement. Material:stainless steel colour:Silver Package Contents: 1 * liquid keg post 1 * gas keg post with poppet 2 * more o-rings for poppet 2 * more o-rings for keg post Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.