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HO scale [1:87] PTC equipment [3 sets] as manufactured by STI-CO industries. This equipment is being fitted to locomotive cab roofs to comply with Positive Train Control directives. The track the antenna sits on is double the thickness it should be otherwise it would not be possible to print, after the sprue is removed it can be reduced in height by carefully rubbing along some wet and dry paper. The correct thickness should be 0.5mm [20thou] the printed thickness is 1mm [40thou].
Important - please look at "whats in the box" to be sure of what you are purchasing, pictures may include items that are not included for sale. If you are in any way unsure please ask before buying.