Use: Set of 8 pressure washer hose connectors, quick connectors make it easy to connect a garden hose to a pressure washer pump or spray gun; Efficiency: Pressure washer hose connectors allow for quick insertion and removal, reducing the time required to connect and disconnect equipment and greatly improving work efficiency; Reliability: Pressure washer couplers are extremely reliable. It usually uses a locking mechanism to secure the connection, reducing the risk of a loose connection; Manufacture: Made of solid brass, stainless steel and engineering plastic, this pressure washer quick connect kit provides a secure and leak-free connection; Please note: The inner diameter of the m22 connection is slightly different for different pressure washers. The m22-14 double ended male fittings in this kit have an inner diameter of 14mm, not 15mm.