Andy, that's true...if I had space the clamp holders just a little wider, I could do second set down a little bit with things facing in the opposite direction as you note. While I'm not about to change these now, I'd consider that for a future shop for sure. Changing my CNC files to accommodate would be pretty darn easy. (there are grooves in the back plate to provide stronger joints between the clamp supports and the back plates...glue in the groove/dado and then screws from behind in countersunk holes. Very solid)