T-Trak Module Height Gauges -- T-Square style

These are T-square height gauges for T-Trak modules. Hang the crossbar off the end of a module and use the gauge to set the module ends to a uniform height. This allows the height of the modules in a setup to be adjusted to a uniform height for a quicker setup. The length of the riser is the labeled height + 7mm to allow for the height of the roadbed and rail -- the T-Trak standard defines height to the height of the module top, not the railhead.

Four heights are provided (3mm steps), to allo