Campbell Hausfeld Tire Inflator with Gauge (MP514200AV) Dual-foot air chuck for use in hard-to-reach areas and a 10  120 PSI gauge, calibrated in 2 PSI increments The built-in relief valve can be used to reduce pressure in overinflated tires and to zero the gauge Includes a 12-inch flexible hose. Thread size: 1/4-inch NPT (F). Finish your projects faster and easier with Campbell Hausfeld. The Air Power Expert