The Campbell Hausfeld air line inflator gauge (MP514200AV) features a 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).