The swivel range is 240 degrees and can swivel 45 degrees, 90 degrees and 120 degrees in one direction. Easy access to hard-to-reach areas such as gutters, undercarriages, etc. Landing, underbody, auto rim. Connect the swivel to your pressure washer nozzle head, drain cleaning attachment, undercarriage cleaner or water broom. 1/4 inch quick disconnect, fits most brands of pressure washer wands and nozzles up to 4,500 psi. The swivel couplers are made of brass and stainless steel. The swivel range is 240 degrees and can swivel 45 degrees, 90 degrees and 120 degrees in one direction. Maximum working pressure up to 4500 PSI. The swivel couplers are made of brass and stainless steel. Actually works with gas and electric pressure washers. Tips Connect the swivel to the nozzle head of a pressure washer, undercarriage cleaner or water broom. Apply Easy access to hard-to-reach areas such as the chassis, car bottom, car rims.