Twinkle Star 4000 PSI High Pressure Power Washer Gun with 21 Inch Replacement Wand 4000 PSI high pressure washer gun body, brass fitting. The gun has a safety locking trigger to prevent accidental sprays. 21 inch replacement wand fits pressure washers, easy lock with pressure washers, and provides extra length to gun to get to hard to reach places. M22 metric thread inlet fitting of pressure washer gun, be used to connect standard pressure washer hose. Perfect combination of high pressure water gun and replacement wand to clean your car, driveway and sidewalk. Includes 4000 PSI high pressure washer gun and 21 inch replacement wand, requires pressure washer to have 2.0GPM & over 1000 PSI pressure for use. 100% SATISFACTION GUARANTEED! If you have any problems, please feel free to contact us.