Uni-Ball Nano Lead Mechanical Pencil Lead Refills， 0.5mm， HB， Black Lead， Pack of 120<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"> Uni develops the lead of the top quality </span></li><li><span class="a-list-item"> Intensity of the lead was sharply strengthened by blending the particles of a diamond. </span></li><li><span class="a-list-item"> Resists breakage and is stronger than the leading lead </span></li><li><span class="a-list-item"> Creates dark， vivid lines </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51nZTcpzyaL.jpg" noproxy>