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Product Description
Track gauge for code 83 rail at a gauge of 16.5mm. This is the standard gauge for HO scale (1:87.1). It is also the appropriate gauge for standard OO scale (1:76), Sn3½ (1:64 with 3'6" narrow gauge), and On30 (1:48 with 2'6" narrow gauge).
Designed to work with code 83 rail that conforms to NMRA recommended practice RP-15, for example the code 83 rail produced by Micro Engineering.
The gauge has four prongs to hold the rails parallel for ease of laying track. The prongs are placed more widely apart on one side to spread the gauge slightly on curves. The widely-spaced prongs go on the outside of the curve.
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