Uni NanoDia Low-Wear Pencil Leads 0.3 mm B， 15 Leads X 5 Pack/total 75 Leads (Japan Import) [Komainu-Dou Original Package]<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"> Lead diameter: 0.3mm </span></li><li><span class="a-list-item"> Hardness: B </span></li><li><span class="a-list-item"> It is a mechanical pencil lead which combined Nanodaiya of 400 million units in the lead of one of them. </span></li><li><span class="a-list-item"> It provides a considerable strength. </span></li><li><span class="a-list-item"> It is possible to draw smoothly. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51EoUXp6khL.jpg" noproxy>