This is Stihl's rotating zero-degree nozzle which delivers aggressive cleaning of stubborn stains and gum removal with a 5100 psi maximum rated pressure. Only compatible with the STIHL RB 600 and RB 800 pressure washers, this nozzle allows water to rotate in a circular motion to produce a high-pressure jet stream. It features a ceramic seat and nozzle and a 1/4” quick-connect plug with filter. With the cleaning power of this accessory, you can expect to increase your cleaning output and cut down on your cleaning time.