ADAPTER SUP ADAPTER FOR PUMPING BOARD SUP . Set of Valve Pump Tips Hose Pontoon Mater Feature: 1. This valve adapter is simple to operate, easy to carry and install 2. Made of hard plastic and high strength alloy, they have a strong structure, are labor-intensive, strong sealing and are tight 3. Suitable for most paddle boards, kayaks, rubber boats, assault boats, swimming wheels, floating rowing boats, inflatable beds, rowing boats, etc. 4. Surfboard accessories, can be used with air pumps, ordinary bicycle pumps 5. The air pump converter has stable structure, excellent performance and long service life. . Set of Valve Pump Tips Hose Pontoon Mater Specifications: Item Type: SUP Valve Adapter Material: nylon aluminum alloy Color: Black Red Product Category: Surfboard Accessories Applies to persons: adults Round connector size: approx. 3,6 cm / 1,4 inch, nozzle inner diameter: approx. 1,2 cm / 0,5 inch (manual measurement, 1-2 cm error allowed) Screw connector size: approx. 4,6 cm / 1,8 inch, nozzle inner diameter: approx. 1,7 cm / 0,7 inch (manual measurement, 1-2 cm error allowed) Tip connector size: approx. 6,3 cm / 2,5 inch, nozzle inner diameter: approx. 0,7 cm / 0,3 inch (manual measurement, 1-2 cm error allowed) Product Size: approx. 10cm/3,9inch (square connector size installed on valve adapter)(manual measurement, 1-2cm error acceptable) Introduction of gas nozzle function: The screw connector is suitable for assault boats, kayaks, etc. The sharpened connector is suitable for swimming wheel, floating row, etc. The round connector is suitable for inflatable beds and inflatable pools. Square connector is suitable for SUP paddle boards, etc. Suitable for use: paddle board, kayak, rubber boat, assault boat, inflatable pool, floating row, inflatable bed, etc. Assembly Required: Use with air pump and conventional bicycle pump. . Set of Valve Pump Tips Hose Pontoon Mater Package List: 1 x Valve Adapter 3 x Gas Nozzle . Set of Valve Pump Tips Hose Pontoon Mater