Developed and manufactured by the NMRA (National Model Railroad Association), this O scale gauge is an indispensable tool that makes it easy for you to check all critical dimensions of your track and rolling stock.
The O scale track gauge can measure:
- Gauge of track and turnouts
- Flangeway gauge and depth
- Wheel gauge
- Coupler height
- Points gauge
- Platform height
- Tunnel and train clearances
Includes complete instructions.
