UNIVERSAL STANDARD SIZE & HEALTHY MATERIAL: Standard size (19/32-18) keg posts for replacement of worn-out posts on ball lock kegs that no longer seal properly. Made of 304 stainless steel for long last durability, better material for a healthy life. Perfect corny keg parts for ball lock kegs DURABLE CONSTRUCTION & NO LEAKS: Threaded detachable design for easy cleaning. Ball-lock post with quality o-rings to prevent leakage on both gas and liquid posts. (Please use some keg o-ring lube) WHOLE SET WITH REPLACEMENT O-RINGS: Gas posts and liquid posts in the package, right to use beer keg parts. Replace old keg posts connectors with the new set immediately after opening the package. Comes with extra replacement o-rings (should replace the o-rings regularly), a long-lasting item. Enjoy your craft beer dispensing with no leaks. 2*ball lock gas posts, 2*ball lock liquid posts, 4*keg post springs, 4*keg post poppets, 8*keg post poppets sealing orings, 8*keg post corny keg o rings EASY IDENTIFY GAS OR BEER POST: There is a few small cut around the bottom of the gas ball lock post, the liquid ball lock keg post has no marks. Please confirm they are all in the right place before connecting with other fittings MOST USED ON HOME BREW KEGS : These ball lock keg posts work great for Cornelius kegs, for Corny kegs with ball lock fittings, and for Ball Lock Beer Growlers. Compatible with ball lock faucets, ball lock CO₂ hoses and mini keg CO₂ regulators, great for dispensing juice, kombucha and other sparkling drinks. ASIN B0BBT6T84B Item Weight 3.17 ounces Manufacturer 1 Item model number HAN-2B-QG Package Dimensions 6.18 x 3.15 x 0.75 inches