| The HO gauge represents 3.5mm to the imperial foot, which is 1 in 87.
Representing half "O" the HO scale runs on the 16.5mm track gauge.
With OO/HO being one of the most popular gauges around, there are a lot of model railway items in this category, so use the headings on the left, or the search function at the top for best results. |
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