one has a flathead slot the other doesn't. I use two nuts on a machine screw to install them so they are essentially the same for me. I'm not aware of any other significant differences.

Regular...

If the ski that’s messed up is mounted more than 1cm in front of the line, shouldn’t they be able to move that mount to the line and still maintain 1cm between holes?

FWIW I don’t follow the 1cm...

Mounted these up today. It went super smooth with the paper templates from this thread.

191563