Heel cups and heel body are plastic. I loved the binding when I ran it on my original RX..which I owned four times and sold three times. But they are 12+ years old at this point and personally I would not put them on a $1,200 ski. If it was a M16 heel, no problem but this is the same heel they use on the 12. After hanging around a good amount or race gear, I have already seen this heel break.I really like this mystery plate setup that came with my first gen Kastle RX's.
The Marker 14 bindings do have some plastic but the wear parts are all metal.
Unless somebody can talk me out of it, I plan to mount them on my soon to arrive AM-77's
All of the rubber and plastic parts are in VG condition, a testimonial to the longevity of high quality polymers.
I really like the free flexing design of the plate (somebody on Epic identified it as German made) and the worm adjusters allow a lot of mount position adjustment without slop.
This plate would cost a fortune if sold today because of the complexity and high precision machining.
It sure looks German or Swiss, twelve big screws hold the plate to the ski.
View attachment 100805
Lastly, unless you are planning on free mounting these, it will be near impossible to find a shop that has the jig to mount them.