This is a commercial grade lever Handle keg coupler. The KT85D-L is compatible with all domestic brand kegs. This keg tap works with all American "D" system sankey kegs. This coupler features a 55-psi pressure relief valve and a nickel-plated forged brass body with a stainless steel probe. To tap a keg all you have to do is pull out and then down on the lever handle to properly couple the keg.