Features: Combining metal construction and 8mm male connector for gas transfer in high pressure environments. With metal and TR21-4 thread, this adapter ensuring sealing through its reinforced 8mm brass fitting, eliminating leaks during carbonation processes. Ideal for home carbonation enthusiasts, professional bartenders, and outdoor adventurers seeking compatibility across multiple charging and industrial grade durability. Effortlessly create sparkling beverages in kitchen, or enhancing portable carbonation systems during camping trips and picnics with this versatile connector. Engineered for safety critical applications, its threading withstands repeated pressurization cycles while maintaining gas tight in both household and laboratory. Specifications: Component:Metal Size:Approx.6.5x5.5cm/2.56x2.17inch Package Includes: 1Pc Quick Inflatable Connector note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.