O SCALE WISEMAN MODEL SERVICES FORDSON BASED WESTMINSTER KEROSENE LOCOMOTIVE KIT KIT CONSISTS OF WHITE METAL CASTINGSWITH BRASS WIRE PARTS UNPOWERED KIT IS DESIGNED FOR O SCALE STANDARD GAUGE, BUT CAN BE MODIFIED/ NARROWED FOR On3 OR On30 USE. BREIF INSTRUCTIONS ARE PROVIDED FOR THE NARROWING PROCESS. WILL BE CAREFULLY PACKAGED FOR SHIPMENT. SEE OUR OTHER LISTINGS FOR MANY MORE NEAT ITEMS AS WE ARE LIST THEM IN MANY CATEGORIES.