Features: It is suitable for bicycle tires, most inflatable balloons and inflatable mattresses, and inflatable needles for football; BALL NEEDLE UNIVERSAL DESIGN - As our standard air pump needles can be broadly used for a variety of inflatable toys and sport balls such as swim ring, basketball, football, volleyball, rugby, yoga ball and more. All of these valve adapters are made of quality brass with screw threads, which is corrosion resistant and not easy to break. it have become daily tool for most family, put it in your shopping cart now. The valve adapter kit including 3 kinds of adapters, air pump needle valve adapter of various sport ball, inflatable toys and swim ring valve adapter. Specifications: Material: Brass and Plastic Qty:21Pcs Weight: 95g Box size: 127 * 65 * 26mm/5*2.55*1.02'' Package List: 21PCS Bike Tire Valve Adapters