Review on ATD 3525 R 134A Coupler Conversion by Victor Glatzel

came without thread protection and the threads on the high side were broken off. The coupling mechanisms themselves are not properly installed and do not connect securely, not only poorly designed (typically Chinese made) but also somewhat dangerous. I shouldn't have relied on reviews from seven years ago as they are obviously not from the same vendor. Compared to port cargo transportation, these are the same couplers