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This model is of a 7/8ths scale Westinghouse brake for coach 64. Not all roads installed their brakes the same as OR&L with the triple valve connected to the brake cylinder. For that reason, I am producing this kit so that the triple valve can be connected inline, or on the expansion reservoir.The linkage, levers and plumbing are not included. This model is available in various materials. The photos you see are from my Duplicator 6 3D printer using PLA as the highest resolution. The shapeways smooth detail should produce the best models, but if you follow the 10’ rule the cheaper materials should work just fine.