●Set of 15 with a Metal box - Easy to carry and store,So you always have some on hand. Never have a pump without a needle. ●Stiff design resists breakage ●Dual port design ensures fast and efficient inflation,Standard Size: .1-1/2” (4 cm) and 1.5” long ●Perfect for inflating all types of sports balls and inflatables like footballs, basketballs, soccer balls, fitness balls and pool floaters. ●Guarantee: Provide lifetime warranty, 100% full refund