Product name: High pressure cleaning machine nozzle Material: Copper/aluminum Joint size: 1/4 inch Maximum working pressure: 4000psi Nozzle diameter: 2.5mm Color: Blue/black/orange Quality material: Made of high quality brass/aluminum alloy and stainless steel, this 3-in-1 nozzle is wear-resistant and leak-free. The diameter of each nozzle is 2.5mm, the maximum working pressure is 4000psi; It operates at a rate of 6.0-9.0 gallons per minute. Efficient cleaning: Two nozzles significantly increase the flow of water, allowing you to remove larger areas of stubborn stains more effectively and efficiently. It is an ideal reliable helper for your cleaning tasks. Wide range of applications: Pressure washer rotary nozzles are suitable for a variety of cleaning activities in different scenarios, from stubborn dirt on various surfaces to heavily polluted areas such as walls, car washes, floors, decks, window washing, driveway roof panel cleaning, garden cleaning and industrial cleaning tasks. Double effect: This upgraded high-pressure cleaning nozzle features two rotating nozzles for a wider cleaning range. Easy connection: With its 1/4 "quick connection design, this rotary nozzle can be easily connected to your high pressure washing machine or rod; Easy to connect and disconnect.