100% brand new and high quality Features: 1/4" male flare fitting for automobile A/C service. Red for high pressure side and blue for low pressure side. High and low couplers kit with colored knobs for easy identification. Solid brass construction is very durable and corrosion proof. It can quickly connect the hose without leaking refrigerant, and you don't have to pour the new refrigerant into the air conditioner, which is very safe and convenient. Specifications: Material: Brass Color: Red + Blue High Side Coupler: Red Low Side Coupler: Blue Connecter: 1/4" Male Flare Fitting Quick Joint: Air Conditioning Suitable for: R134A Valve Core Size: app.2.5x4.9cm/0.98x1.93in Quantity: 2pcs Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x blue low side quick coupler 1 x red high side quick coupler(other accessories demo in the picture is not included.)