Retrofit Prototype Couplers pkg(10)

These couplers are a detailed miniature reproduction of the original prototype coupler as used in real life on the railroad. They work just like the prototype. Mounting springs are included.Standard 1 gauge models produced since 1987 can have the regular claw coupler replaced with this reproduction coupler. Running a train with this coupler usually requires a very wide minimum radius of 3.0 to 3.5 meters or 118" to 138", depending on the models. Package of 10.