3/8 inch M22 Coupler connects pressure washer pump. 3/4 inch Garden Hose Quick Connector Sets fit all 3/4 inch standard garden hose. High replacement couplers provide secure and quick fittings, easy to connect and disconnect. Working pressure up to 5000 PSI. Colour:Yellow Material:brass Size:2.2cm Package Contents: 2 x M22-14 swivel connector + 3/8inch plug 2 x 3/8inch QD + M22-14 male connector 2 x 3/4inch female connector + 1/2inch quick connector 2 x 1/2inch plug + 3/4inch male connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.