The pumping process takes place in both directions. With simple air pressure gauge. dimensions: 20 cm long / colour: red
Analog ball gauge. Display range: 0-1.4 bar.
Analog ball gauge. Display range: 0-1.6 bar.
Digital ball pressure gauge to messure the air pressure of a ball before a game. This ensures that the pressure of the ball conforms to the rules. With storage compartment for two needles.