The prototype cars were used to ship steel plate from Algoma, Ontario. Built from a Roller Bearing Models resin-cast, white metal and wood craftsman kit with Tichy freight car ladders and detailed from prototype photos. Has Kadee couplers and Athearn trucks. Custom painted and lettered with K4 Decals, Walthers and Microscale decals. Dimensions: 9-1/2" L x 1-3/8" W x 1-3/4" H, weight: 4-1/2 oz. Only one model available.