The pressure washer extension rod is made of brass and stainless steel, working pressure is up to 100% 4000 psi, working temperature is up to 140°C, long service life. These high pressure cleaning tools have 1/4" NPT female threads connected, and the pressure washer has a 6.0" NPT anode quick release connector connected. Easy to use, install and remove. The pressure washer lance has 6 high quality nozzle tips for many different applications and 65, 40, 25, 15 and 0 degree nozzles, these different sizes can be used for any cleaning work Three rods bent at different angles make it easier to clean some dead areas, bringing you more convenience. With the five extension rods to choose from, you can adjust the length of the high-pressure cleaner as needed. Scope of delivery: 6 straight chopsticks (38 cm each) + 2 curved rods + 10 screw washers O-ring + 6 nozzle tips.