Specifications: Automotive AC A/C Manifold Gauge Set Charging or Diagnostic Heavy Duty Aluminum Housing Includes 3 color-coded 5 FT. long service hose with storage attachment Burst pressure: 4000PSI Max working pressure 800PSI Extra large sight glass Quick disconnect couplers for High/Low fittings included Each coupler have a shut off valve to prevent loss of cooling agent. Blue gauge (low): 2-1/2" diameter, 0-120 PSI with 0-40 VAC Red gauge (high): 2-1/2" diameter, 0-500 PSI Celsius C degree reading Red & Blue 5 feet long charging hose ( 1/4" FFL x 60 " with knurled fittings) .
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