Specification Brand : Alomejor BulletPoint1 : SIMPLE : This valve adapter come with simple , easy to carry and install.With it, you don't need to buy a dedicated electric pump. BulletPoint2 : PRACTICAL ACCESSARY: Surfboard accessories, can be used with air pumps, regular air pumps.This multi function pump adapter can meet all your needs and reduce your burden. BulletPoint3 : MATERIAL: Made of high strength hard plastic and alloy, possess strong structure, labor saving, strong sealing, and leak proof. BulletPoint4 : WIDE APPLICATION: Suitable for most paddle boards, canoes, rubber boats, assault boats, swimming rings, floating rowing boats, inflatable beds, rowing boats, etc. BulletPoint5 : 【GUARANTEE】: We strive to provide a better customer experience. In terms of any problem of this product, you can send emails as soon. Color : #05504 ItemName : Valve Adapter Air Valve Converter Air Pump Converter Attachment for Stand Up Paddle Board Inflatable Boat Bed ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : standup-paddleboard-accessories Manufacturer : Alomejor Material1 : Nylon Material2 : Plastic NumberOfItems : 1 PartNumber : Alomejorg46xmadb7n654 Pattern : Solid ProductDescription : Specification: Item Type: Valve Adapter Material: Nylon + aluminum alloy Color: Black + red Product Category: Surfboard accessories Applicable People: Adults Circular Connector Size: Approx. 3.6cm / 1.4in, Nozzle Inner Diameter: Approx. 1.2cm / 0.5in(manual measurement, allowable error 1 2cm) Screw Connector Size: Approx. 4.6cm / 1.8in, Nozzle Inner Diameter: Approx. 1.7cm / 0.7in(manual measurement, allowable error 1 2cm) Tip Connector Size: Approx. 6.3cm / 2.5in, Nozzle Inner Diameter: Approx. 0.7cm / 0.3in(manual measurement, allowable error 1 2cm) Product Size: Approx. 10cm / 3.9in(the size of connector installed on the valve adapter)(manual measurement, allowable error 1 2cm) Introduction of Gas Nozzle Function: The screw connector is suitable for assault boats, canoes, etc. The pointed connector is suitable for swimming ring, floating row, etc. The circular connector is suitable for inflatable beds and inflatable pools. The connector is suitable for paddle boards, etc. Suitable for Use: Paddle board, canoe, rubber boat, assault boat, inflatable pool, floating row, inflatable bed, etc. Assembly Required: Use with air pump and conventional air pump.