Pump Molten Double Action blue DHP21 Light, plastic pump Molten will allow to replenish the missing air in the balls. Compact size. Model intended for inflating balls to volleyball, basketball, football, handball, or rugby. The set included a hose with needle. There is a compartment inside the piston handle on the needles. The Double Action system pumps air while moving the piston in both sides, i.e. to the ball and away from the ball.  Technical data:· in set: pump, metal needle, hose· length pumps: 21 cm