Product related parameters

*This professional automotive AC tool kit includes a 3-way gauge, 3 color-coded hoses, 2 adjustable 1/4'' quick couplers, a 1/4'' to 1/2'' Acme adapter, and a puncture-style can tap; enjoy hassle-free setup and easy operation as you nip your HVAC problems in the bud

*Calibration screws and superior design provide ±1.6% accuracy Blue for low, red for high, and yellow for charging, these durable PVC hoses have 4 reinforced layers to work with daily pressure up to 600 psi (burst pressure: 3000 psi)