This ball pump needle set includes 1 metal ball needle (1.53 inches), 2 plastic nozzles with metal threads (1.73 inches and 1.1 inch), and 1 metal adapter (0.7 inches)—everything you need for quick inflation. Crafted from durable metal and sturdy plastic, these corrosion-resistant ball needles for air pumps are built to last. Compact and lightweight, they're easy to carry and store, making them suitable for on-the-go use. Designed for strong adaptability, the ball pump needles work seamlessly with compressors, electric pumps, and manual pumps, fitting most standard valves.