This 2" Cap for Pressure Barrels with 8g Bulb Piercing Pin is a high-quality plastic product designed for beer, cider, and lager enthusiasts. The cap features a pin valve for 8g CO2 bulbs, and comes with an easy seal washer for convenient use. Made from food grade plastic, this cap is suitable for storing carbon dioxide gas in pressure barrels, making it a must-have for home brewing and distilling enthusiasts. The colour of the cap may vary with stock, but rest assured you are getting a top-notch product for your brewing needs.