Mastercool 87772-G Gaug Set A/C 134A Alum 72" W/Quk Couplers

Features and Benefits: Made of extruded aluminum for durability and long life Piston type free floating valves reduce O-ring wear Easy grip front facing knobs Gauges include R134a Fahrenheit scale in SAE and Kpa measurements Anti-flutter gauges smooth out needle movement This aluminum manifold set includes 90 degree Snap-N-Seal couplers.  Other features include extra access port for vacuum line, extra large sight glass for visual check of refrigerant and gauges can be calibrated to maintain accuracy.