Features: our off-road tire inflator deflator gauge allows you to easily air down in seconds before heading out on the trail so you can conquer obstacles for w/ excellent grip and confidence. our air down kit features corrosion resistant brass hardware, protective rubber gauge surround & premium braided air hose built to survive the toughest conditions out on the trail. toggle the air release slide for valve to quickly take accurate tire pressure readings while you air down without having to remove the off road deflator. inspection according to ANSI Grade B40.1 (middle ±2%) of Tire Deflator Pressure Gauge. if you have questions，please contact us. Specifications: Range:0-100psi Size: 30cm/11.81in Package Includes: 1 Pcs Air Down Tire Deflators. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!