From the product description, check product page for current description, price and availability:

• 1.Sturdy Metals & Wear Resistance: The ball lock keg post kit is made of food safe stainless steel. The sturdy and strong metal gives it unique durability and wear resistance. It is not easy to get rust and very difficult to damage. Give you a long time perfect use experience.
• 2.Strong Sealing & No Leakage: Perfectly machined and excellent workmanship. The most important thing is ZERO leakage. The ball lock keg post, spring, poppet and rubber gasket are perfectly matched to prevent leakage of gas or liquid. Easily brew beer at home and enjoy craft beer with our keg posts!
• 3.Perfect Replacement Parts: A great universal ball lock keg post replacement kit. It can be used for American standard Cornelius, Corny keg, Beer Growler. Standard threads. Please note if your keg post is not standard ball lock, we does not mean all can fit, just standard ball lock kegs. Please check the size before ordering!
• 4.Packaging Includes: A pair of stainless steel gas-liquid ball lock posts with premium gaskets. In addition, there are a pair of gas-liquid ball lock post replacement o-rings and a pair of poppet replacement o-rings. When the washers are worn out, no need to buy new washers to replace.
• 5.Please Note: There is a small cut around the bottom of the gas ball lock keg post, the liquid ball lock keg post without marks. We always stand by our product! We always stand by our customer! We will try our best to help if any question!

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