The pressure washer adapter converts the standard bayonet fitting on the pistol end to a 1/4 quick connect female fitting that accommodates a 1/4 nozzle or gun attachment.This adapter is specially designed for Karchers K2 K3 K4 K5 K6 K7 pistols,Nozzle lets you clean hard-to-reach areas quickly and easily without a ladder. Great for reaching the underside of cars, car rims, hard-to-reach corners, gutter cleaning and more.Includes: 1 Adapter, 1 Black Brass Soap Spout, 1 Red Stainless Steel Spout (0 Degree), 1 Yellow Stainless Steel Spout (15 Degree), 1 Green Stainless Steel Spout (25 Degree), 1 White Stainless Steel Spout ( 40 degrees)). Choose nozzles with different angles according to your actual needs.