Mosmatic T304 SS 3/8" Female QD CouplerI worked closely with Jaimie from Mosmatic US to have these high end quick disconnects made for us, the discerning prosumer. The Mosmatic T304 SS 3 8" Female QD Coupler would be used on a High Pressure Hose or any other 3 8" fitting that's NPT threaded. I wanted these T304 stainless fittings at any cost, and my guess is that many of you do too. I get that this is more expensive than brass or Chinese made stainless, but the fit, finish, and precision