Only compatible with Karcher K2, K3, K4, K5, K6, K7 pressure washer gun. 1/4" quick connect, up to 3000 psi. Easy to install and disassemble. The connectors are made of brass and stainless steel, and the interface has waterproof pressure washers. Equipped with a curved rod to clean hard-to-reach areas, such as fenders, chassis, roof, gutters. It is a great tool to save time and energy. The pressure washer lance has 5 high-quality nozzle tips for many uses. Soap nozzle and 40, 25, 15 and 0 degree nozzles. This variety of sizes can be used for all cleaning jobs.