Includes sight glass to monitor refrigerant flow. A/C manifold set includes 2 new easy read universal gauges showing temperatures in degrees Fahrenheit, plus pressures in PSI and KPA. Flexible holster. Solid forged brass bar is long-lasting and durable with proven face seal valves. Includes three 72in. color-coded hoses and automotive field service couplers. Model # 40135. U.S.A.