Two-Way Brass Manifold Gauge Set w/ 72 In Hoses Features: Set of three 72" standard hoses. Auto shut-off valves. Durable all metal construction. Heavy duty forged body. Handle valves are angled for ease of operation. Floating piston, double O-ring valves for long service life & smooth operation. Side mounted, metal hand valve will not crack when dropped. Gauges include R12, R22, R502 Fahrenheit scales. Metal bezels protect gauge lenses from breakage. Gauges can be recalibrated in the field to maintain accuracy.