Kadee #747 O Scale Type E Medium Underset Metal Couplers w/ Plastic Gearboxes

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...
Package Includes:

(4) Each #747 Type "E" "Prototype" Metal Couplers - Medium Underset Shank
(4) Each #817 Plastic Gearboxes & lids
(5) Each #850 O Scale Centering Springs