Parker Quink Permanent Ink Refill Cartridge for Rollerball Pens， Fine Point， Black (3021331) (2-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"> Cartridges keep ink contained so replacing it is a clean process， and are fitted with ink reserves ready to be released with a tap when pen is low. </span></li><li><span class="a-list-item"> Washable ink lays down smoothly， dries fast and won't smear. </span></li><li><span class="a-list-item"> Innovative Rollerball Free Ink Technology assures an incredibly smooth and intense writing experience. </span></li><li><span class="a-list-item"> Parker Quink inks are specially designed and formulated to the most exacting standards to ensure that Parker products deliver faultless performance. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/418pGGWtJ-L.jpg" noproxy>