Basic Manifold and Hose Set, Refrigeration and Air Conditioning, Number of Hoses 3, Number of Valves 2, Gauges High Side 0 to 500 PSI, Gauges Low Side 30 In Vacuum to 120 PSI, Hose Length 36 In, Vacuum Port Size 1/4 In, For Use With R-12,R-22,R-502, Sliding Double O Ring Pistons, Nylon Seat, Non Rotating Design, 1 1/2 Turns to Full Flow, Features Solid Brass Body, Includes Hose Anchors Forged Into Back of Body At 45 Degrees.