DescriptionThis air connector adopts material, durable and easy to use. Professional designed for boat, kayak use. Leakproof and wearproof, unique portable small size design make it free to use. Strong sealing, anti-leakage, make you use it more easily.Features- Color: Black. - Material: Copper amd rubber and plastic. - Size: 4.50 x 3.50 x 3.50cm/ 1.77 x 1.38 x 1.38 inch. - Adopting material, which is lightweight and durable. - Lightweight design, high flexibility, high strength. Replaceable and useful. - Make a fast connection between sup hand pump adaptor. - No air leakage between adaptors because internal integrated gasket. - Lightweight and portable, the adaptor is easy to carry and store.