SET OF 3 CAREFULLY PACKED BALL INFLATION NEEDLES: For easy storage in your gym bag, this set includes high-quality ball inflation needles. You will always have a ball inflator tip on hand so that your activities are never interrupted by a deflated ball. UNIVERSAL DESIGN OF OUR BALL INFLATION NEEDLE: Our standard needles can be used for a wide variety of balls from all sports. Your soccer ball needle will be the same for basketball, volleyball, handball, yoga, etc. STANDARD SHAPE: Can be used with different types of air pumps, hand pumps, ball pumps, bicycle pumps, pressure gauges. Ball pump tip length: about 38 mm; outer diameter: 7 mm; inner diameter: 5.8mm. QUALITY AND DURABILITY: Our needles are made of stainless steel to prevent bending, damage or breakage. An ideal and practical gift for coaches, teachers and all sports enthusiasts. Note: The data are all measured manually, please allow 1-3cm error due to different light and display, there may be some color differences, please refer to the actual item received.