Application 1. Attention: is M22 14mm fitting. If washer needs need 15mm fitting, may cause leakage. 2. Convert the M22 14mm thread-on couplings to a 3/8 inch quick connector. HOW TO USE: The 3/8 inch end connects to a 3/8 inch quick connect plug. The M22 14mm swivel connects to M22 14mm male thread fitting (outside diameter is 22mm and inside diameter is 14mm). Colour: black + copper color Material: brass Package Contents: 1 x Connector 1 x coupler 10 x washers This particular choice is one set(one male end and one female end). Quick connect pressure washer to wand or nozzle.Connect M22 male thread to pressure washer and connect M22 female swivel to wand.Convert the M22 thread-on couplings to a 3/8 inch quick connector. Warm tips: M22 is 14mm inside diameter, NOT 15mm. If your fitting is 15mm, it may cause leakage.It's NOT fit electric pressure washer of for ,, AR Blue,Cleanforce,, MI-T-M, with M22 15mm fitting. Provides secure and quick fittings, simple to assemble and disassemble.M22-14 swivel + 3/8 inch quick connect plug, 3/8 inch quick disconnect + M22 male. Stainless steel and brass material,safe,reusable and . Max Work Pressure is up to 5000 PSI.Apply on universal , hose and pump connection.Easy to connect and disconnect.