Graham Farish N Scale. Includes Coupling and Spring.
Graham Farish 379-407 Clipin coupling pockets (short clips)
Graham Farish 379-407 Clip-in Coupling Pockets (Short Clips) with Couplings &
NEM coupling pockets x10 - OO / 4mm scale
NEM 362 Coupling Pockets Height Setting Gauge - OO/EM
Bachmann class 25 Diesel older type - 3D printed NEM coupling pockets