Prestige Medical Medimeter， 0.50 Ounce<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Pocket-size medical ruler in inches and centimeters.</li><li>Features imprinted wound diameter gauge and pupil dilation gauge.</li><li>Made from heavy-gauge clear plastic for greater durability.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41F66YJs14L.jpg" noproxy>