This set of R134A air condition (A/C) quick couplers allow you to attach the manifold hoses onto the automotive/car air condition R134a system during the diagnosis, charging, or evacuation. Both high and low connectors are included. Its safe design can effectively avoid injury and refrigerant loss. Features: 1. It is a set of 2 quick connectors.2. Sleeve can protect against injury and refrigerant loss.3. Coupler interface fits with R134 service port, 1/4" male flare.4. Quick and easy connect/disconnect with high flow rate.5. Reliable and safe for valve access to systems even at working pressure.6. Side fitting for A/C manifold gauge set (R-134A) type.Specifications:Material: Brass + metalColor: Blue + red + silvery Package Weight: Approx. 300gSize: Approx.47 x 30mm / 1.85" x 1.18"Red: High side quick connector/adapter (1/4" Male Flare)Blue: Low side quick connector/adapter (1/4" Male Flare) Package Included: 1 x Blue Quick Coupler 1 x Red Quick Coupler Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1It is a set of 2 quick connectors 2Quick and easy connect/disconnect with high flow rate 3Red for high pressure and blue for low pressure 4Side fitting for A/C manifold gauge set (R-134A) type 5Safe design can effectively avoid injury and refrigerant loss