This is a great tool set for refrigerant testing, charging and evacuation. Can be used on all car A/C, commercial and domestic A/C and refrigeration systems. Gauges are marked for R12, R22, R404A and R134A pressure reading. Color-coding on gauges, valves and hoses for convenient operating. quality, Replace directly to your device Manufactured according to quality control standards, not easily and has a long service life Stable performance and high reliability, replacement for your old products Please check all pictures and compare with your used parts to make sure it fit Manifold are 2-way and made of brass. Hoses working pressure: 500PSI Burst pressure: 2500PSI Working temperature: -20℃ to 60℃ Colour:Photo Color Material:copper type:1:2 x connector Package Contents: 1 x double watch 1 x auto connector 2 x connector 1 x bottle opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.