Description: Universal for spray gun, hose and pump, can convert M22 thread connection to 3/8 " (about 1.9 cm) quick connector. Maximum working pressure: 5000PSI. Easy to Install: Provides safe and fast installation, easy assembly and disassembly. Pressure Washer Adapter Set:Quickly connect the pressure cleaning gun to the barrel or nozzle. Universal quick connect kit: Compatible with most of the quick connection accessories on M22 and pressure washer Specification: Type: 3/8 male and female connector Material: brass, engineering plastic, stainless steel Scope of application: high pressure water gun Package Size: 10x5x5cm/3.94x1.97x1.97inch Package Includes: 1 Set Pressure Washer Adapter(2 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping! Note:Inside diameter is 14mm, NOT 15mm. If your fitting is 15mm, it may cause leakage. SO NOT FIT for Sun Joe, for Campbell, for AR Blue, for Stanley,for , for Simoniz pressure washers with M22 15mm fitting.