A/C Manifold Gauge Set R12 & R134A

Dual R12 & R134A gauge set designed with a solid aluminum block wtih 3-piece service hose set. Features Color coded quick couplers, yellow (Charging) hose auto shut-off. Sight glass for confirmation of movement and conditioning of refrigerant passing through the manifold. Hoses rated at 600 working psi and 3,000 burst psi. Anti-flutter gauges for smooth needle movement and are field calibrateable. Comes with heavy duty gauge protectors, hanging hook and pressure / temperature quick reference chart.