Tornado Roller Ball Ink BLACK Refills by Retro 51 (REF5P-B) (Three 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"> Retro 51 Tornado Rollerball Ink Cartridge Refill (3-PACK) </span></li><li><span class="a-list-item"> Color: BLACK (also available in Blue ~ Green &amp; Red) </span></li><li><span class="a-list-item"> Writing Nib: MEDIUM (also available in FINE &amp; BROAD from Eclectic Collection) </span></li><li><span class="a-list-item"> Retro 51 Model Number: REF5P-B for BLACK &amp; REF57P-B for Blue </span></li><li><span class="a-list-item"> Length: 3-7/8" in length </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21CdJ1-veUL.jpg" noproxy>