Pentel Arts Tradio Stylo Sketch Pen Refills， Black， Box of 12 (MLJ20-A)<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"> Flexible nib creates a variety of line widths from thick to thin </span></li><li><span class="a-list-item"> Rich water-based dye ink dries quickly for sketching and drawing </span></li><li><span class="a-list-item"> Ink glides effortlessly across paper with free-flow liquid ink system </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41BhygdBWOL.jpg" noproxy>