Peco OOT42 HO Scale HO 42″ RADIUS TEMPLATE\nThe Tracksetta OOT42 OO Gauge 42″ Radius (1066.8mm) 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.