Wonderoto Tire Inflator with Gauge,Maximum 150 Psi- Inflation Gun with Locking Chuck-Color Blue and Red Easy to read and check precise tire pressure readings without relying on batteries Made from premium material shielded by a rugged gear-style protective guard Built-in air bleeder valve to reduce air pressure in overinflated tires Reinforced rubber hose and internal brass joints to prevent air leakage Handy 360-degree swivel chuck allows for easy access to the tire valve from any angle