This is a 3mm:1ft scale model of a pair of diamond frame bogies complete with wheels, suitable for the 50t MoW/British Railways Warflat wagon used for carrying military vehicles. The wheels are included as moving parts, along with a cylindrical pivot so you could use them for other wagons, but can remove the tags keeping the bogies on if you are replacing damaged bogies on the 50t Warflat model. The bogies include a NEM pocket.