Kadee 908 G Coupler Conversion Medium Offset Couplers w/ Truck Mount Gearboxes

G-Scale Type E Coupler - Medium Offset Couplers with Truck Mount Type Gearboxes #908 AAR Type "E" Couplers, "Prototype" Head Medium Offset Couplers & #911 Gearboxes Black One pair per package ? AAR Type ?E? Coupler ? Trouble Free Operation ? Hidden Knuckle Spring ? Easy to install, drop in design ? Compatible with Kadee G-Scale Couplers ? World-renowned quality & performance ? They just Last & Last & Last... Includes: 1 Pair Medium Offset Couplers, #911 Gear Boxes & Lids, #861 Centering Springs, Plastic Plates, .032" Shims, .010" Plastic Shims, 2 x 3/8 screws, 4 x 1/2 screws & 4 x 3/8 screws. Patent number 7,810,660 B1 One pair per package UPC: 765484009085