Review on CD5050 Thumbscrew Core Depressor Component by Draven Invert

I bought two of these and they both leaked on the stem. I connected the first one to the idle unit suction line and it is leaking. Pulled the second one out, what are the odds two of these are bad, the second leaked too. Seriously HVAC guys, don't waste your time on this. Pure garbage! I also saw a video of her work. Yes. However, I took another chance and bought a larger version of these CD2060s and it worked great. I checked the charger on 15 units at the nursing home last week, no leaks.