ACCURATE: All tire inflator with pressure gauge with rubber hose is performance-tested and calibrated to ANSI B40.1 Grade B (2%) international accuracy standard. You can get a precise tire pressure for your tires and inflate the gas by this device, without driving to gas station or garage. You will need air pump or compressor for inflating wheel DUAL HEAD CHUCK: 5 11/16-inch chrome iron stem with push/pull dual head air chuck bayonet is very convenient for tight angles and hard-to-reach spaces. 30 degree forward head is specially designed for inner/single wheels or hard-to-touch valves, and reverse chuck for outer wheels EASY TO USE: Bayonet-style inflation/deflation gauge measures in pounds per square inch (PSI, 10-120, 2-lb. increments). Easy to read 10-120 psi tire inflation gun with gauge, Max 300 PSI rubber hose,1/4" FNPT air inlet HIGH QUALITY: Tire inflator with gauge is made of heavy-duty chrome-plated cast steel iron stem and inflator, leak free air valve core, designed with brass internal parts for durability and long life MULTIPURPOSE: Heavy-duty tire inflator gauge can be used for car, truck, vehicle, RV, SUV, Motorcycle, bicycle, industrial, home and repair shops. Tire Inflator Air Pressure Gauge comes with Rubber Hose, 4x Tire Valve Cores, 4x Metal Tire Valve Stem Caps, 4x ABS Tire Valve Stem Caps and 4-Way Valve Core Tool