Tap a keg of your most popular brew with this  coupler! This coupler is compatible with "A" system keg valves,Website:http://www.beerbreweryequipment.net, also known as German Slider because it slides onto the valve face, which are used by many German breweries. Used by breweries like Hoegaarden, Paulaner, Spaten, and Warsteiner, this unit's compatibility is rivaled only by its durability and ease of use.A black ergo lever handle is incredibly simple to engage by pushing down to tap and pulling up to untap. The coupler boasts a tin-nickel plated body that's sure to last over the long haul. It includes a type 304 stainless steel probe that is chemical-resistant, won't chip like chrome alternatives, and encourages the purest pour possible so that the coupler can even be used to tap kegs of wine or cider. For added safety and peace of mind, this model has an integrated pressure relief valve that stops the gas flow if pressure gets too high (at 55-65 PSI), while the 7/8"-14 beer port thread matches the United States beer industry standard for maximum compatibility.