Kadee #745 O Scale Type E Medium Centerset Metal Couplers with Plastic Gearboxes

#745 Type E Medium Centerset Metal Couplers with Plastic Gearboxes - Black - O Scale      This industry leading coupler features New Generation AAR Type "E" "Prototype" Head Medium Centerset Metal Couplers, and #850 O Scale centering spring and comes complete with Plastic Gearboxes and lids. The #745 Metal Coupler may be mounted with the included #817 Plastic Gearbox or #818 Metal Gearbox (sold seperatly), #819 Extended Metal Gearbox (sold seperatly). It is not recommended to use a metal coupler directly on a metal surface or in a metal draft gearbox to avoid possible electrical crossover and shorting that may cause damage. #745 Coupler Instructions Two pair per package UPC: 765484007456   Made in the U.S.A. O-Scale New Generation AAR Type "E" "Prototype" Head: Simple Drop in Design Trouble Free Operation Hidden Knuckle Spring AAR Type "E" Coupler Style Compatible with Kadee® O-Scale Couplers World-Renowned Quality & Performance They just Last & Last & Last... P