Gauge is up to 2X the accuracy of the B40.1 ANSI standard with larger 2.5″ diameter face for finer resolution and easier to see readings; 0-160psi range to allows for high pressures from the compressor without damaging gauge display; Pressure bleed valve button releases pressure from the tire to your desired range or clears display after checking pressure with dual chuck.; Includes 15" swivel hose, dual chuck, locking chuck, and “M" & “T" style air fittings with thread sealant.