SUKRAGRAHA Set of 4 pc Geometry Measurement Tool protractor hypotenuse Ruler<div style="text-align: left;"><strong>[Product Information]</strong><ul><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"> Crystal-clear， stable plastic </span></li><li><span class="a-list-item"> 4 pc set </span></li><li><span class="a-list-item"> 20cm Ruler with Curved Edge for Art Drawing </span></li><li><span class="a-list-item"> 2 pc Triangle Ruler : for All Special Angles: 30， 45， 60， 90 Degree ; hypotenuse: (around) 12.5 cm and 14.5 cm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51yRfFeBDyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51m74cG8-zL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51BCumz-J3L.jpg" noproxy>