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With hoses packaged in clamshells. Hose connections are 1/4" SAE. Gauges are 2 1/2" or 3 1/8" in PSI & °. Hose length: 72" Gauge Size: 2 1/2" Standard hoses auto shut off valves Solid extruded aluminum body. Free-floating piston type valves reduce o-ring wear. Extra access port for vacuum line. Silicone dampened gauges smooth out needle movement. Gauges can be easily recalibrated in the field to maintain accuracy. Extra large sight glass for visual refrigerant check. Large easy-to-grip knobs. Models available for various types of refrigerants. Mastercool 95772 R12, R22, and R502 2-way Manifold Gauge Set ME95772