The Freeman Analog Tire Inflator with Oil-Filled Pressure Gauge makes it fast and easy to check tire pressure frequently, helping extend the life of tires and optimize gas mileage. Refill tires with an accuracy of +/- 1 PSI when used in conjunction with an air compressor. Features include an oil-filled display, pistol-style trigger, lock-on brass chuck, 20 in. flexible rubber hybrid hose, and swivel hose connector. The Analog Tire Inflator with Oil-Filled Pressure Gauge is constructed of durable and lightweight fiber-reinforced nylon with a protective rubber housing, includes a rust resistant brass 1/4 in. NPT fitting, and is covered by Freeman's 1 Year Professional Tool Warranty.