SKU: X02-08-001 (0-40PSI) - $85.00 SKU: X02-08-004 (0-90PSI) - $85.00 The Apex Precision Pressure Gauge provides precise pressure read outs every time with accuracy you can count on. 0-40PSI gauge - Designed with accuracy in mind for lower off-road pressures. This gauge is optimized to be extremely accurate between 0 and 40PSI. It offers a large gauge face that is very legible for fine tuning off-road pressures. Best used with C and D load range tires. 0-90PSI gauge - This is the gauge you want for your tow vehicle and trailers. It was designed to be extremely accurate for pressure above 40PSI. Best used with D and E load range tires. PERFORMANCE: +/- .5PSI accuracy and .05 PSI repeatability  -30 to 175F use range FEATURES: Fluid filled to resist shock and vibration typical in off-road use  Stainless Steel Construction Hard coated 6061-T6 Aluminum Numbers and needles are phosphorescent (glow in the dark) Swivel joint Atmospheric vent to equalize pressure & compensate for elevation change Hose may be trimmed shorter or lengthened by purchasing longer hose. (sold separately) - Click here to purchase May use 1/4 NPT fitting for use with other chucks. Click here to purchase Thread on chuck for ease of use with our Rapid Precision and Rapid Connect Valves - uses metal seal that will not wear out