Kadee #930 G Scale Straight Centerset Shank Couplers with Body Mount Gearboxes - Rust
This industry leading coupler features Original Style Head Straight Centerset Shank Couplers, and #878 G Scale centering spring and comes complete with #910R Body Mount Gearboxes and lids.
It is not recommended to use a metal coupler directly on a metal surface or in a metal draft gearbox to avoid possible electrical crossover and shorting that may cause damage.