【Professional AC Gauge Set】: Air conditioning diagnostic manifold gauge set for refrigerants. Perfect for automotive or household AC freon charging, evacuation/vacuum, diagnostic check and recovery work. Air Conditioning Line Repair Tools are great for your home garage or mechanic shop. Perfect Christmas Day gift.

【Precision Gauges】: AC gauge set features large and colored dials unit which is easy to read. Sight window on the manifold helps to see the status of the refrigerant. Built-in calibration screws and a skip-free pointer allow for accurate measurement and real-time display of system pressure.

【Refrigerant Charging Hose】: 3PC 5FT hoses feature a 600 PSI working pressure and 3000 PSI burst pressure. Easy to operate, strong sealing for durability and safety. Necessary tools for HVAC,car air condition maintenance and coolant or Freon adding.

【Adjustable Quick Couplers & Valve Core Remover】: The quick couplers adapters feature brass material, sturdy and reliable. With accurate snap lock and anti-slip knurled grip ring ,easy to connect and disconnect,compatible with all models service port. Red for high pressure, blue for low pressure. 1 pc car tire valve core removal tool, dual head design, nice tool for car A/C replacement and maintenance.