FICBOX® Makerbot 3D Printer Accessories MK7/MK8 Heat Sink 40 * 40 * 11mm NO.MP1708<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"> Commodity name:Makerbot heat sink </span></li><li><span class="a-list-item"> Center hole goods size 12mm </span></li><li><span class="a-list-item"> Screw mounting holes 3mm </span></li><li><span class="a-list-item"> Mounting holes from 31mm </span></li><li><span class="a-list-item"> Fin length 40 mm width 40 mm thick 11 mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Ouf7pQ9OL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JAuhXqQ0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51NUT1OjeZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BmcSgVNXL.jpg" noproxy>