High Quality Materials: Durable alloy construction with reinforced rubber hose and longer internal brass fittings to prevent air leaks. This high quality auto tool is built to last. Sturdy and durable for long term use. Accurate Tire Pressure Gauge: 0-100 PSI measurement range. using the pressure gauge deflation button, you can reset the measurement or adjust the tire pressure. Marked with both LBS and KBS units for easy reading. Easy to use: With the extended tip and 360 degree rotating air chuck, you can measure at any angle without leaking air. air. Pressure hold feature makes readings clear and easy to read. No battery required. Safety: Maintain normal tire pressure longer, reduce tire wear and extend tire life. Improve energy efficiency and reduce fuel consumption. Improve vehicle performance and safety.