Made of high-quality materials for maximum durability and reliability. Easy to install, no complicated tools required, easy to use. Professional workmanship, exquisite surface, novel and unique style High Pressure Wash Gun Adaptor Max pressure: 4000 PSI Install for wash gun: for Nilfisk KEW ALTO WAP CALM Water Outlet Port: 1/4inch Quick Connect Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:Stainless steel Package Contents: 1 x Adaptor 1 set x ( 5 colors) spray nozzles Only the above package content, other products are not included. Note: Light reflection 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.