A must for any sport where an inflatable ball is used. Streamlined and small, it goes wherever you go! This ball pump features an air release valve to easily adjust pressure of inflated balls. Manufacturers recommend deflating balls after each use. This Ball Pump with hose reduces strain on the ball valve - no more broken needles! Designed to last; UV protected. Tandem Sport has been manufacturing and distributing quality volleyball, sports medicine, equipment and training devices to the sporting goods market since 1989.