AC Gauges, AC Manifold Gauge Set for R134a R12 R22 R502, 3 Way Automotive AC Gauge Set with Antishock Gauges Hoses Couplers Adapter, Puncturing Can Tap Freon Recharge Kit

Complete Gauge Kit: This professional car air conditioning tool kit includes a 3-way gauge, 3 color-coded hoses, 2 adjustable 1/4" quick connectors, a 1/4" to 1/2" SAE adapter, and a piercing can tap

Hybrid Shockproof Gauge: The 2.6" high and low pressure gauge combines the best features of dry and liquid-filled designs, the oil-filled core resists wear and impact, and the dry dial provides better winter performance; the humidity indicator monitors the condition of the coolant in real time; the calibration screw and superior design provide ±1.6% accuracy

Color-coded Hoses: Blue for low pressure, red for high pressure, and yellow for charge, these durable PVC hoses have 4 reinforcement layers and can operate at daily pressures up to 600 psi (burst pressure: 3000 psi)