Refrigerant Manifold Gauge Set Air Conditioning Tools with Hose and Hook for R12 R22 R404A R134A

Features:
This is a great tool set for refrigerant testing, charging and evacuation.
Can be used on all car A/C, commercial and domestic A/C and refrigeration systems.
Gauges are marked for R12， R22， R404A and R134A pressure reading.
Color-coding on gauges, valves and hoses for convenient operating.
Comes with a hook and 3 hoses (red, blue and yellow).
Manifold are 2-way and made of brass.