<ul>
<li>Made from white engineered plastic</li>
<li>Virtually unbreakable</li>
<li>Graduations on both sides in mm, 10mm increments on the top edge</li>
<li>Folds out to 1000mm</li>
<li>Smooth, heavy-duty hinge</li>
<li>Markings etched for long life</li>
<li>Bevelled edge for easy marking out</li>
<li>10cm thick when folded</li>
</ul>