The #713 & #714 Split Shank Plastic Coupler will work anywhere a #705 Metal Coupler will work.
This industry leading coupler features a plastic coupler and coil centering spring and comes complete with a insulated draft gearbox and lid. The #714 Magne-Matic® Split Shank Couplers may be body mounted on any flat surface; HOn3-Scale locomotives or rolling stock.
(The #702 Coupler Assembly Fixture can be used to ease assembly)
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.
Also adaptable to TT-Scale