Kadee Quality Products Co. Founders & Manufactures of the original world renowned Magne-Matic Knuckle Coupler HOn3 through G Scales; we manufacture and sell Couplers, Remote Couplers, Uncouplers, Trucks, Wheelsets, Logcar Kits, Freight car Kits, Fine Scale RTR Freight Cars and modelrailroad accessories. Manufactured and Assembled in the USA.