... : madscientist I know this was posted somewhere before, but can someone direct me to a drawing of the various track gauges for 00-SF. I'm going to run up some new ones and rather then cobble measurements off existing ones, I'd like to go to the horses mouth so to speak Dave posted: 2 Sep 2015 18:54 from: Martin Wynne Hi Dave, Brian Tulley (polybear) is holding the current drawings. No doubt he will reply shortly. I can post the original check gauge tool drawing: 2_150847_350000001.png (the arrowed dimensions are the critical ones) With 0.92mm rail it is possible for the check gauge to go as low as 15.16mm if the rail is left loose in the slots and the gauge tool is on the limits. Experienced users will know to pack the slots with aluminium cooking foil to get a good fit in the gauge tool for maximum accuracy. Unfortunately batches of rail vary, so this is unavoidable with fixed-slot gauge tools usable on any batch of rail. If you are making your own gauge tool ...