NYKKOLA 15 Pcs Silver Color Metallic Air Inflation Needle for Sport Football/Basketball/Soccer/Gym Premium Material: Stainless steel, durable and rust-resistant Can be applied for air pump, hand pump, ball pump Fit for inflate soccer balls, basketballs, volleyballs, footballs, netballs, and so on Length: approx. 38 mm; Outside diameter: 7 mm; Inside diameter: 4 mm Package includes: 15 x ball pump needle