Review on 🔌 Detool Adjustable R134A Adapter Fittings: High-Low Quick Coupler for HVAC AC Systems & Refrigeration - 1/4 SAE Connector by Deelo Sylvester

Low pressure adapter fits perfectly. the high pressure does not go down far enough to really start. So this article gives you half of what you need. You have yet to find an HP adapter so not only do you have to make a purchase, the quality seems good. It doesn't look like the valve is leaking when it's in place