Peco NT21 N Scale N 21″ RADIUS TEMPLATE\nThe Tracksetta NT21 N Gauge 21″ Radius Tracklaying Template is part of the Tracksetta system – the easy way to kink-free trackwork and transition curves.\n\nThe Tracksetta templates make the job of track laying easier, quicker and more reliable. Available in eight different radii plus a straight unit.