WOODLAND SCENICS C1146 O Grade Crossing Steel Plates Realistic looking and ready-to-place. Injection molded styrene Steel Plates are notched to fit over rail spikes. Includes styrene shims to correspond to proper code - cut as needed. This is a brand new O scale product. Assembly, arrangement, detailing required. - Two crossings in each package. - Works for 2 and 3-rail. - 1.5 inch long (3.7 centimeter)