Nice materials: the ball pump needles are made of stainless steel which is durable and can prevent itself from being bent or damaged so that the needles can serve you for a long time Good performance: the ball pump needles are designed with dual ports to ensure fast and efficient inflation and you can quickly inflate the ball without very hard effort Size: the length of the basketball needle is 1.5 inches; The diameter of the top of the basketball needle pump is 0.27 inches; The diameter of the bottom of the basketball needle pump is 0.16 inches Applications: the pump needles can be applied for air pumping, hand pumping, ball pumping and any inflatable balls such as basketballs, footballs, volleyballs, and yoga balls Package content: there are 100 pieces of ball pump needles in the package, so you always have some on hands, and you will never have a pump without a needle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.