Peco NT12 Tracksetta Template 12" Radius Curve.
With Tracksetta you can make sure your straights are really straight and your curves are smooth without any kinks or sudden changes of direction which make derailments inevitable. These simple but effective tools are a worthwhile investment since well laid track is essential for reliable running.
This template has a radius of 300mm (12 inches) and is compatible with all Peco N and 009 Streamline Flexible track systems.