Compatibility: double male hose connectors, compatible fitting for 1/ 2 inch diameter hose pipes; 1/ 2 Inch quick-connector from female to female hose ends Decent QualityMade of high quality plastic material, sturdy and rust resistant, not easy to break, resistant to shock. Safe and durable material can serve a long time use. Hose joiner: double ended male connectors allow 2 lengths of hose equipped with female connectors to be joined together, extend the length of the pipe quickly if you needed Leak-proof SealEquipped with rubber ring on both sides, which can ensure that the joint is completely sealed to prevent water leakage and keep clean and tidy. Strong PracticabilitySuitable for agriculture, lawn, garden irrigation system, great for large garden, high pressure car washing, water gun, household plastic fittings, etc. Quantity and dimension: come with 6 pack garden hose connectors, the total length is about 50 mm, and the outer diameter of 2 male ends is about 15 mm