Features: -Can be used on all automotive, commercial and domestic air conditioning and refrigeration systems. -The gauges are marked for pressure gauge R12, R22, R404A and R134A. -Color coding on pressure gauges, valves and hoses for comfortable work. -Comes with a hook and 3 hoses (red, blue and yellow). Manifolds are 2-way and made of brass. Specification: Hose Length: 80cm / 36in Hoses working pressure: 500PSI Burst Pressure: 2500PSI Working temperature: -20℃ to 60℃ Package Included: 1x Refrigerant instrument 3x Hose 1x Hook .