HO Standards Gauge Mark V - Current Version in NMRA packaging

HO scale NMRA (National Model Railroad Association) Mark V Standards Gauge

NEWEST VERSION - This is the MARK V.

• Includes gauge and printed instructions.
• This HO 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.
• A must have for any model railroader's toolbox!