Robbor RT100L Tire Pressure Gauge-100 PSI This Heavy Duty Dial Gauge is a Joy to Use With an Easy to Read Scale. The 10 in. Flexible Hose Makes it Easy to Access Hard to Reach Valves. Easy to use with a built-in air bleeder valve to reduce pressure in overinflated tires, and 360 degree swivel chuck, enabling you to take a reading from any angle. Perfect for any car or motorcycle. Larger, 2" glow dial features easy-to-read 100 PSI single increment scale that glows in the dark, providing accurate readings that "lock" in place until the pressure reset button on the neck is pushed Certified accurate to ANSI B40.1 International Accuracy Standards (2%), ensuring quick and precise tire pressure readings without relying on batteries Heavy Duty Steel & Brass Construction and Tough Rubber Cover Means this Tire Pressure Gauge is Built to Last, 100% Lifetime Satisfaction Guarantee.