Alvin FT390-4 4 inch Fluorescent Triangle 30/60<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Made of molded polystyrene </span></li><li><span class="a-list-item"> 0.10 inches thick </span></li><li><span class="a-list-item"> Double-beveled inking edges </span></li><li><span class="a-list-item"> Angle: 30/60 </span></li><li><span class="a-list-item"> Size:4 inches </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31JjiXhIxSL.jpg" noproxy>