Description: This adapter can make air inflator become compatible with your inflatable boat or board; Suitable for traditional inflator for added convenience Made of quality plastic and alloy material, resistant high pressure, durable to use Lightweight and portable, easy to carry and store Widely applicable to various canoe, kayak, paddle board, inflatable boat etc Useful tool for inflating your boat with normal inflator, not need to buy an inflator for canoe Specification: Material: Plastic + Alloy Valve Diameter: 7.6 mm / 0.3 inch Size (L x W): Approx. 7.69 x 3.2 cm / 3.03 x 1.26 inch Color: Blue and Black Tips: pump adapter utilizes a standard schrader valve fitting to couple with an air compressor or bike/tire pump. With the valve in the closed position, insert the schrader valve fitting and rotate to lock in place. Remove the on the fitting, and connect a standard electric pump, bike pump or compressor and inflate to the recommended PSI. Because the compressors/tire pumps take time to inflate, it is recommended to inflate the board by hand until it becomes difficult to pump, and then use the adaptor to top off the pressure. Package Includes: 1 Piece Valve Adapter (2 Pack) : Due to the differences between different monitors, the picture may not reflect the actual color. There is 2-3% difference according to manual measurement, please check the size carefully before you buy the item. Thanks!