One new 0-160 PSI back mount air compressor pressure gauge. This gauge features a 1.5" face and has 1/8" Male NPT thread on the back center of the gauge. Air Compressor Pressure/Hydraulic Gauge 1.5" Face Back Mount 1/8" NPT 0-160 PSI See Technical Specs for more information. -1/8" Male NPT Pipe Threads · -Center / Back Mount · -0-160 PSI · -Gauge reads at 0, 20, 40, 60, 80, 100, 120, 140, 160 PSI · -1.5" Face We provide good discount on large quantities order.