12 American Flyer No. 520 or 26520 Knuckle Coupler w/ Hole

Knuckle Coupler Version with Side recesses for Coupler Crimps & Hole for Mounting Screw when used on Passenger Car. Replace you Broken or Missing Knuckle Couplers on Post War American Flyer Alco's or Rolling Stock with Couplers that are crimped on.