niceEshop(TM) Air Inflation Sports Ball Point Needle (Silvery,5pcs) Outside diameter:Approx.0.18cm/0.08inches; Screw thread outside diameter:Approx.0.7cm/0.28inches; Total length:Approx.3.6cm/1.4inches A balls inflation Sports Ball Needle for pumping up football,basketball,soccer,gym ball and so on This needle not only can air inflation but also can air deflation,fit with your needs Inovation,practical and scientific of this Ball Point Needle perfrom incisively and vividly