This Walthers SceneMaster Extendible Container Chassis is a must-have accessory for your HO Scale intermodal terminals, industry and highway scenes. Typical of equipment used all over North America from the 1980s to the present, it can be used with most containers (sold separately) from 40′ to 48′ long and semi tractors (sold separately). The kit includes parts for two complete chassis molded in black plastic, and illustrated instructions. Prototypes used for hauling containers from container yard to end user Two complete chassis per kit Use with SceneMaster and other HO Scale Intermodal Containers Parts molded in black Easy-to-build kit