HuanX35 Standard Size Sports Balls Bicycle Inflating Pump Needle Air Inflator Pin by Alimitopia MATERIAL-Iron plated with Nickle,antirust,smellless,nontoxic,eco-friendly. SPECIFICATION-Total length 3.8cm/1.5",weight:2.0g per piece. FEATURES-AIO(All-in-One) design,durable,convenient,high tensile resistance,good leakproofness. EASY INSTALLATION-Easily mount to any hand pump inflators by screw thread. APPLICATION-Use to inflate all sports balls or bicycle tires.