More informationEquipped with Birzman's patented Air-Lock valve head, designed to prevent air loss when disconnected from the valve. Pump with a large inflation capacity. Features: Head: Threaded Air-Lock. Gauge: 1" pressure gauge with pressure release button.Body: CNC machined aluminum.Capacity: 400 psi / 27.6 bar.Measurements: 23 x 3.6 x 4.8 cm. Weight: 183 g.