This Roco 40397 Universal Coupling is designed to be compatible with both Märklin and Roco brands. It is a type of coupler specifically made for HO gauge model railroads. The coupler is designed to fit into a standard NEM 362 coupler pocket.

This listing is for a pack of 50 Roco 40397 Universal Couplings, each of which is in C-10 Mint-Brand New condition. These couplings are perfect for model train enthusiasts looking to add some extra detail to their layout. Get your hands on this high-quality product today!