ITEM NAME:Low Pressure Dispensing Valve Bottle Opener 1/2 SAE Adapter for R134a Green Description: - Quick Coupling with Adapter. - Quick Coupling Connections sizes are 1/2" inch SAE Male Fitting。 - The tank adapter is 3/4" ACME female x 1/2" SAE male flare fitting for automobile a/c service. - This adapter is use for connecting 1/2" SAE hose fitting to R134a automobile refrigeration tank. - Quick, easy connect and disconnect high flow. - Reliable and safe for valve access to systems even at working pressure. Specification: - Height: Approx. 7cm/2.75inch - Large Thread outer diameter:Approx.1.7cm/0.67inch - Large Thread inner diameter:Approx.1.2cm/0.47inch - Small Thread outer diameter:Approx.:Approx. 1.1cm/0.5inch Package Included: 1 Piece Quick Connector Note: Please allow 1cm error due to manual measurement. And make sure you do not mind before you.Quick Coupling with Adapter. - Quick, easy connect and disconnect high flow. The colors may have different as the difference display,pls understand.