close
NMRA #98-1 HO Standards Gauge Designed and developed by the NMRA (National Model Railroad Association) Engineering committee, this pocket sized gauge enables you to check all important dimensions on your track and rolling stock as follows.
Gauge of track and turnouts
Flangeway depth and check gauge
Clearance
Height of loading platform
If cars do not run correctly, this gauge will help you pinpoint the trouble. One-piece stamped metal, complete instructions included.
