Two sets of quick connectors connect the pump water outlet to the pressure washer hose, or connect the pressure washer hose to the gun. The other two quick connect kits convert 3/4 threads to quick release fittings, connecting all standard 3/4 garden hoses to the water inlet of the pressure washer pump. /p Attention: The M22 swivel joint 14 has an inner diameter of 14 mm. If the washer needs 15mm, misuse may cause leaks. Does not fit Sun Joe, Campbell, MI-TM, AR Blue, Stanley, Cleanforce, Simoniz electric pressure washers. Replacement couplers provide secure, quick connections that are easy to connect and disconnect . Maximum load: Pressure up to 5000 psi. Features: 4 types of couplers included: Metric M22-14 female swivel thread + 3/ plug 8 3/8 quick disconnect + M22 male. 19 mm (3/4) female + 12.7 mm (12, 1/2 plug + 3/4 male Usage: Two sets of quick connectors connect the water outlet of the pump to the hose of the pressure washer and connect the pressure washer hose to the gun. The other two quick connect kits convert 3/4 threads to quick release fittings, connecting all standard 1.5 garden hoses. 3.5 to water inlet of pressure washer pump. Replacement couplers provide secure, quick couplings that are easy to connect and disconnect. Max Load: Pressure up to 5000 psi. Note: 1.The pressure washer adapter set has a 14mm connection, 15m pitch Mr. If the washer needs 15mm, there may be leaks. 2. This product is guaranteed against defects for 24 months from date of order. Warning: Serious injury can result from high pressure discharge produced by high pressure washers. pressure. Keep out of reach of the human body. Contents: 2 M22-14 female swivel pressure washer couplers + 3/8 plug 2 couplers for pressure washer, 3/8 quick disconnect + M22 male. 2 pressure washer couplers, 1.9 cm female + 1.2 cm quick connect. 2 pressure washer couplers, 1/2 + 3/4 male.