One of several Youngstown post war designs which featured wide overlaping horizontal splices between door panels. Usually called the Youngstown Interim Improved Door, but sometimes refered to as the "Overnight" door, due to it's use on SP class BX-50-24 and BX-50-25 cars. Injection molded in styrene plastic with separate tackboards. Fits HO scale Intermountain and Red Caboose boxcars with 6' door openings and 10' 0" interior heights. $3.00 pr.