The Thrall 52′ 6′ Steel Gondola from Trainworx is based on typical open-to-, general service gondolas in use across the continent since the 1970s. This detailed, ready-to-run model features applied metal grab irons and ladders. This detailed N Scale mill gondola comes weighted and equipped with magnetic knuckle couplers, 100-Ton roller bearing trucks with Fox Valley Models metal wheelsets.