Pilot Frixion Ball Knock Retractable Erasable Gel Ink Pens，fine Point， - 0.5mm - Blue Ink- Value Set of 3 &amp; 3 Gel Ink Pen Refill Pack<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"> Combines the convenience of a retractable with the incredible FriXion erasable gel ink </span></li><li><span class="a-list-item"> Erase and rewrite repeatedly without damaging documents - Eraser is at the top of the pen， tip is retractable by pressing clip down </span></li><li><span class="a-list-item"> Unique Thermo-Sensitive gel ink formula disappears with erasing friction </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Sjk%2BxqUpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/2147vfMyTyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21ndW1mJU1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31q4Ha3JxOL.jpg" noproxy>