Inflate footballs, basketballs & soccer balls with the same tool used by professional sports teams * Converts needle inflator to match 1/4" fittings on standard 3/8" air hose for precision inflating * 3-piece set includes non-rusting stainless steel 1-1/4" needle with side & tip air outlets * 2 solid brass adapters step-up needle male pipe thread from 5/16" to 1/2" OD to fit 1/4" pipe size * Closely-machined NPT threads form seal when torqued to provide non-leak performance