"This General Pump Rotating Turbo Nozzle uses cutting action to clean even the toughest surfaces quickly. Works faster and uses less water than a regular high-pressure nozzle. Nozzle Size in. 4.0 orifice, Length in. 5, Max. PSI 5,100, Degree of Angle 0, Material Brass. Includes 1/4in. quick-connect plug for easy connection to lance Ceramic nozzle tip and ceramic seat for extended life Insulated cover adds protection in tight spaces Not recommended for use on wood surfaces or painted surfaces Brass construction Fits NorthStar pressure washer, Item# 15781520, and other brands within specifications"