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This is a sprue of OO / HO Scale Headlamps which are made primarily for Bachmann & Hornby Thomas models, however they should be suited for other models should you wish it to be. Each lamp is 6mm tall and between 2mm and 3mm wide at the base. There is no hole for lampirons or anything as that would make the walls of the model too thin to be printed.
The lamps come on a sprue, which simply needs to be snipped off to remove the individual lamps. If you have any questions, comments or queries, you can contact me through Shapeways, Twitter (@ElsbridgeP), Instagram (@elsbridgeproductions), or YouTube (Elsbridge Productions).