Most high-pressure water use this threaded interface (m14 x 1.5mm) Split design for easy disassembly. Application: Auto repair/household/industrial special 1/4 quick insertion specification, can insert nozzle, small shower This 2-in-1 pressure washer nozzle providing powerful capability to effortlessly clean dirt,mud, and oil stains, giving your vehicle, home, or workplace a fresh look, Manufacturer: Ounfhtrttk