Excellent product the spring locks aren’t hard that you can’t get the coupling to go together. I’ve had a couple of pairs where you had to damn your beat a brand new coupling to get it to slide into the other one. These aren’t like that they slide in connect very easily they don’t leak. They don’t have a lot of leakage during connection or disconnection all over around for the price I paid. I can’t beat it. Their excellent
Instinctive130 
