Precise sizing: With a connector diameter of 14mm, this adapter kit accurately matches common market specifications. Before use, measure and estimate the required size to ensure compatibility with your equipment. durability: Crafted from quality stainless steel and brass, this pressure washer adapter kit offers longlasting durability and rust resistance, ensuring reliable performance over time. Versatile compatibility: The kit includes a range of connectors such as M2214 swivel, 3/8' plug, 3/8' quick disconnect, and M22 male head, providing universal compatibility with a wide variety of pressure water guns, hoses, pumps, and other equipment. Safe and convenient: Featuring a replacement coupler, this pressure washer accessory ensures secure and fast connection and disassembly, enabling quick and hassle setup and removal for enhanced convenience. Use scenarios: Connecting mismatched fittings on a pressure washer and spray gun: use the M2214 swivel or 3/8' quick disconnect to bridge different threading standards and achieve a secure fit. Switching between hoses and attachments: the quick disconnect enables rapid changes between accessories without tools. Routine maintenance and extension: worn couplers to maintain a secure connection and prevent leaks during heavyduty cleaning.