Helix Student Triangles 2 Piece Set， Large (18311)
<div style="text-align: left;"><strong>[Product Information]</strong>
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<li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li>
<li><span class="a-list-item"> Dimensionally stable transparent blue-tinted plastic </span></li>
<li><span class="a-list-item"> Included rulers graduated in metric and imperial </span></li>
<li><span class="a-list-item"> Clear， precise markings for ease of use </span></li>
<li><span class="a-list-item"> Dimensionally stable transparent blue-tinted plastic ^Included rulers graduated in metric and imperial ^Clear， precise markings for ease of use </span></li>
</ul>
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<img src="http://ecx.images-amazon.com/images/I/41FGqwhnRsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418ul-eUk4L.jpg" noproxy>