Manifold Gauge Number of Valves 4 R-134A R-22 R-404A Number of Hoses 4 60 in 0 to 500 psi 30 in Hg to 350 psi +/-3-2-3 Percent 3/8 in Brass Glow-in-the-Dark 3 1/8 in Gauges R-22 R-134a R-404A Soft Grip Rubber Hand Wheels Reduce Turning to Open/Close 3/8 in Port for Faster Evacuation All Metal Gauges Includes Brass Manifold with 60 in Hoses and R-22 R-134A R-404A Gauges