Specification:Type: Garden quick fittingColor: Orange and grayMaterial: PlasticWeight: 23gTotal length: 5.7cmThe inner diameter of big interface: 20mmThe inner diameter of samll interface: 9mmHow to use:1. Install the big interface with garden water gun or faucet connectors.2. Unscrew the lid of samll interface, Let the pipe across the lid, then using the samll interface link the connect pipe.3. Tightening up the lid.Package Includes:1 x Hose quick connector