WELL MADE - Crafted from 304 stainless steel to ensure these keg posts are durable and long-lasting. The poppet valve guarantees a secure seal every time, making them ideal replacement parts. The ball lock conversion kit enables the conversion of a Cornelius pin lock keg to a ball lock keg. PLEASE NOTE - These are only compatible with Cornelius type kegs. NOT suitable for Firestone, Hoover, and Spartanburg kegs. How to distinguish the gas in post from the liquid out post? The gas in post features notches at the base, while the liquid posts are smooth. Thread Standard: 19/32 inch-18 Colour: silver Material: metal Package Contents: 2 x Gas Ball Lock Post 2 x Liquid Ball Lock Post 4 x O-rings for Ball Lock Post 8 x Poppet Valves with O-rings Please Note: This ball lock keg post is for Cornelius type kegs that use 19/32 inch-18 thread. Not compatible with Firestone and Spartanburg kegs (9/16 inch-18 thread). Only the above package content is included, other products are not part of the purchase. Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the actual product. The permitted measurement error is +/- 1-3cm.