Kokuyo Campus Mechanical Pencil Lead， 1.3mm， B (PSR-CB13N)， 16 Leads ×3 Pack/total 48 Leads (Japan Import)<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"> Hardness: B </span></li><li><span class="a-list-item"> The diameter of a lead : 1.3 mm </span></li><li><span class="a-list-item"> One Box Contains 16 Refills: Total 48 Refills </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51VePo1vokL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41NTbdKKRuL.jpg" noproxy>