Universal replacement screw type nozzle for water broom,undercarriage cleaner,surface cleaner,dust cleaner. 1/4inch Fitting,Thread available for NPT, Orifice Size 3.0 Including 4 pressure washer surface cleaner nozzles,0 ,15 ,25 ,40 degrees,which are made of 304 stainless steel and hardened insert.And Max pressure-4,000PSI Please use water inline filter to avoid nozzle blocked by sand or other debris. If nozzle are blocked with sand or other debris, you can remove the nozzle, clean with needle and rinse with water. Color: silver Material: Stainless steel Package contents: 4* nozzles (0, 15, 25, 40 degrees each) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.