Use with pressure washers up to 4200 PSI; Kit includes 5 spray tips for a variety of cleaning tasks, 0 , 15 , 25 , 40 and soap tips.; Spray gun includes M22 inlet with quick connect conversion fitting; Includes 20-in spray wand with 1/4-in quick-connect fitting to attach to standard spray tips and nozzles; Removable side handle adds control and comfort; Kit saves money compared to purchasing parts individually