Kadee / Whisker(R) Self-Centering Metal Knuckle Couplers – Kit – Magne-Matic(R) — Medium 9/32 Centerset w/Extended-Swing Draft Gear Box for Long Cars 1 Pair (HO Scale) Part 380-451
Body Mount Extended Swing Gearbox and Coupler for passenger or long freight cars allowing negotiating tighter radius curves.
