Kegco KC KT2410W-M Ergonomic Lever Handle Keg Taps Coupler M System with Stainless Steel Probe, Brass Compatible with European breweries such as Schneider, Aventinus, and Einbecker Stainless Steel Probe is resistant to chemicals and won't chip like chrome Handle easily clicks up and down to engage the keg Not to be confused with the A System German Slider Coupler The body is the same but the keg probe is different and they are not compatible