These came off new old stock F7's. The item "MTH One-Gauge F Unit Driveblock with Sideframes! NEW" is in sale since Friday, July 19, 2019. This item is in the category "Toys & Hobbies\Model Railroads & Trains\G Scale\Locomotives". The seller is "fox_valley_trains" and is located in Hampshire, Illinois.
This item can be shipped to United States.