Tombow MONO Zero Eraser， Round Tip， Retractable， Silver Barrel (Eraser with an extra refill (57305 and 57307))<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"> Convenient clip for on-the-go corrections </span></li><li><span class="a-list-item"> Available in two tip shapes and sizes </span></li><li><span class="a-list-item"> Pen-style body is easy to use and store </span></li><li><span class="a-list-item"> Round tip </span></li><li><span class="a-list-item"> 2.3 millimeter diameter </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/3195bwALhGL.jpg" noproxy>