This keg coupler set is made of , which can withstand use. Features the brass and stainless steel material, which has high durability, not easy to deform. Fine workmanship, practicality. This keg coupler set will make the beer distribution easier and smoother. Features -Color: Silver -Material: stainless steel, brass -Size: 18.00X12.00X6.00cm/7.07X4.72X2.36in Inner diameter: 7mm - Adopt 304 stainless steel probe, and wear-resistant to use. - Comes with two sets of silicone check valves and beer tube gaskets to create a seal between the connector and the barb tail to prevent gas leaks. - Functional D-connector keg faucets are easier to tap/remove for D-system kegs. - The ergonomic handle is easy to hold during installation and operation, allowing beer to flow immediately into the beer line. - Excellent craft, carefully down to every detail to give it and charming look. Package list: 1 x keg coupler 1 x gasket 1 x check valves 2 x nuts 2 connectors