Usage Tips:Features: Strong and enduring, strong sealing, good waterproof performances, good air leakage resistance.The adapter makes it easy to inflate and deflate boats. With gasket inside, there will be no Airs leakage between the adapters.Easy to carry and store, no need to carry different types of inflatable tools.Suitable for most surfboards, canoes, inflatable boats and inflatable beds.The adapter makes a fast connection between hand Pumps Valves adaptor and other Valves adapters.Specifications: Materials: PlasticColor: Black/OrangeSize: As shown in the picturePackage Includes: 1pc Pumps Adaptor4pcs Air nozzlesnote: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.