Adjust 120 degree for 5 different cleaning angles, 1/4 in plug inlet and 1/4 in quick socket outlet , fit most brands of pressure washer and power washer. It can be easily connected between pressure washer wand and pressure washer nozzle tips, and work with pressure washer tool . It will save you considerable time for cleaning hard-to-reach areas, and to reach up vehicles undercarriage, car chassis, automobile rims, swimming pool wall, water tank and ideal for gutter cleaning. Compatible with Simpson, Karcher, Ryobi, MTM, Honda, Greeworks, Craftsman, Troy Bilt, B&S, Generac, Husqvarna，Powerstroke, Champion and more high pressure washers. Undoubtedly this well-designed attachment pivoting coupler will save you unimaginable time in regular and special pressure cleaning job if you dislike bend down, squat down and stretch your arms for cleaning some inaccessible place and corner. This pivoting coupler will be always needed in anyway. Significant Upgrade：Upgrade brass pull pin to Stainless steel 304 Pull Pin (SUS304 safety lock)，super hard and long durability! Just rotate it and enjoy the efficiency of cleaning work. Safety lock mechanism makes it safer and reliable to use，No worry about damage after 1000 times of pivoting and locking. Up to 5000 psi for everyday and even commercial use. Brass main body, four seals on swivel core and stainless steel inlet plug make it resistant to corrosion and rusting Significant Upgrade 2nd：Thicker high strength brass valve core is very important for stable rotating and high pressure. We are sing 5 o-rings and washers to make it much more reliable . High precision machining of metal parts to make it super durable. Extra：The inlet plug has a ingenious removable filter to protect inner seals, valves and your pressure washer nozzle from dirty and sands, save your cost of buying another nozzle and coupler filter. If you don’t need it , you can remove it by using a straight screwdriver. Brass filter body and Stainless steel (SUS304) filter mesh, extremely long-lasting and strong! Protect the coupler and make it very durable! Extra 2nd：The package include a Professional O-ring remove-install tool and 2 O-rings, small tool and 2 o-rings will help you not to worry its maintaining. Product Passed drop test, 5000psi test and compressive resistance test, 1000 times of pivoting and locking test,worry-Free Package. Professional on Pressure Washer and Accessories. We Always Stand Firmly Behind This product and You. Product Description The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. 1 Rain Gutter Cleaning 2 Clean Hard-to-Reach Area 3 Safely Cleaning 4 Boat and undercarriage What brands of pressure washers can fit? compatible with Simpson, Karcher, Ryobi, MTM, Honda, Greeworks, Craftsman, Troy Bilt, B&S, Generac, Husqvarna，Powerstroke, Champion and more high pressure washers. How to choose between 5 angles and 7 angles couplers? If you don't need backward angle, please choose 5 angles, it's mush lighter. What can I do if I bought a wrong one between 5 angles and 7 angles couplers? Because I'm no pro at pressure washers. Please feel free to ask for a free replacement without returning the current coupler, our team is always here. Can this coupler be used for both pressure washer and power washer？ Yes, no problem.