Compatibility: Dual male hose connector, compatible fitting for 1/2 inch diameter hoses; 1/2 inch female to female quick connector Application: Solve your short hose problem, suitable for agriculture, lawn, garden irrigation system, great for gardeners whose garden is large Hose connector: Double end male connectors allow you to join 2 lengths of hose equipped with female connectors together, expand the hose length quickly if you need Quantity and dimensions: Comes with 6 pieces garden hose connectors, the total length is about 50mm, and the outer diameter of the 2 male ends is about 16mm