I had not heard of Midgage, so I looked them up in the NASG product gallery. I see that legendary S scaler Dick Karnes has some of these. These must be some of the earliest attempts to create scale model kits in 1/64th.
BTW - if you are trying to figure out which couplers you like best, I suggest you try these... http://www.sanjuancarco.com/ev...oupler-brown-2-pair/
They also come in black. Althouh they are On3, they fit fine in S scale coupler boxes and are compatible with Kadee 800/802's. I exclusively install these now although most of my stuff still has Kadee 800/802's.