Mountain 8201 R-12 to R-134a Conversion Quick Connect Coupler Set

The only reason that I gave these 1 star, is that I couldn't give them 0 stars. While they physically snapped on the connectors, they didn't open the valves. My experience was on a 1996 Ford F150. The connectors on the Harbor Freight Gauge Set (which I then went out and bought)(I'm not a fan of harbor freight, either) worked correctly.

I purchased these 1/4" Male Flare to R-134a Access Port Adapters for My Husband!
He had several different sets of these, and had loaned them to friends, and never got them back! So I purchased these for him, and he said they were the best "Quick Connect" access port Couplers He's ever Used!
The Knurling on the release lock is easy to grip and release with one hand without slipping, and the seal off after removal was excellent. No spent refrigerant loss!
He's a Retired Refrigeration Mechanic...so I trust his liking of this coupler set!.....And these are a MUST for accessing the service ports on automotive a/c systems with the R-134a refrigerant!....Great Product!

The item was shipped quickly. I was able to use these adapters to use my gauges (R-12 fittings)to charge up my R-134a system. I did need to get a can tap separately.

PERFECT product at the PERFECT price!! These work just like they should---don't pay more for the same product being sold for 2X the price of these...If you need conversion adapters, these are the ones to get!!!

Exactly what I needed to make my gauges that were designed for R-12 systems to work on my newer R-134a vehicles. Shipped promply.