Milton has been well known for its inflator gauges for over 70 years. This straight head inflator gauge is made from heavy duty construction and provides for long life, even under extreme use and conditions. Gauge and valve cartridges are both replaceable. Equipped with magnifying lens for full view of scale. Full swivel chuck head with 3/8" - 24 thread size minimizes breakage to TPMS valves. Reads in both PSI and kPa with pressure ranges of 10 to 160 PSI in 2 pound increments or 80 to 840 kPa in 20 kilopascal increments.