Safety Stainless Steel: Food grade 304 stainless steel beer probe, food grade rubber sealing ring, low lead brass main material, built-in high pressure forming. Self-backflow design: The barrel cup adopts R-angle non-return design, and the whole design improves the internal structure to ensure smooth gas and liquid, zero foam, heavy drinks, high speed and no overflow when changing the barrel. Durable: food grade acid-based environmental protection chrome plating, precision sandblasting, deburring, extraordinary texture, classic interpretation of fashion, comfortable grip, stainless steel material, long service life. Wide range of applications: suitable for most European beers, additional barbed connectors are available, no worries, perfect for use in bars, hotels, restaurants, lounges or whatever you want. Portable Style: Reasonable size, light weight, easy to carry and use.