R410a Freon Refrigerant Manifold Gauges W/60" Hoses AC HVAC Halogen Diagnostic Large 2 3/4" Diameter Easy-to-read, Dual Gauges Temperature in F for R134a, R12,R502 A heavy Duty Hook for Hanging the Gauges Extra Large Easy to Read Color Coded Dials Diaphragm Valves with Swivel Seals for More Positive Seal and Less Wear