These NEM coupling pockets are an ideal solution for converting older models to the modern NEM coupling standard. The pockets can be securely glued or screwed into place, although screws and glue are not included in the kit.
Bachmann class 25 Diesel older type - 3D printed NEM coupling pockets
Bachmann 36-061 - Short Straight NEM Couplings with Pockets (x10)
Bachmann 36-030 - Long Straight NEM Couplings with Pockets (x10)
Clip-in Coupling Pockets + Couplings & Springs (x10) Graham Farish 379-406