The Atlas 2539 Terminal Joiner is designed for N scale and fits Code 80 rail. It's a reliable part (Part #150 - 2539) for your model railway setup.

Using this Atlas terminal joiner is easy. Just attach it to your Code 80 rail in your N scale model railway. Make sure the joiner is firmly connected to avoid any loose connections. When you're not using it, store it in a dry place. You can clean it with a soft cloth if it gets dirty, but don't use any harsh chemicals as they might damage it.