Features The sleeve can protect against injuries and loss of coolant The coupler interface mates with Service R134, 1/4" flare connector Fast and easy connect/disconnect with high flow Reliable and safe for valve access systems even at working pressure Side mount for Type A/C Gauge Kit (R-134A). Description: This set of R134A Air Conditioning (A/C) quick couplers allows you to connect multiple hoses in automotive/car R134A air conditioning during diagnosis, charging or evacuation. High and low connectors are included. Its safe design can effectively prevent injury and coolant loss. Features: The sleeve can protect against injuries and loss of coolant. The coupler interface mates with Service R134, 1/4" flare connector. Fast and easy connect/disconnect with high flow. Reliable and safe for valve access systems even at working pressure. Side mount for Type A/C Gauge Kit (R-134A). Specification: Connection: 90° Material: brass Compatibility: R134 Low Side Quick Coupler: Blue High Side Quick Coupler: Red Application: Add auto fluorine Distribution hose connections on both adapters: 1/4" Inner diameter (blue): approx. 14 mm/0.55 inch Inner Diameter(Red): Approx. 17mm/0.67inch Package weight: about 366g Included: 1 x blue low side quick connector (with cap) 1 x red high-side quick coupler (with cap) Note: Please allow small errors due to manual measurement. Thanks for your understanding. Please note that the new and old type of this product will be shipped at random. Before ordering, make sure you don't mind. Package List