Correctable BLACK AND WHITE typewriter ribbon twin spool for Underwood typewriters SC-20BW-UND Compatible<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"> We offer a complete unconditional guarantee on this product. </span></li><li><span class="a-list-item"> Our 1-800 support number takes you directly to a LIVE support person that has full knowledge of this product. </span></li><li><span class="a-list-item"> This item is in stock and you can select the shipping method of your choice. </span></li><li><span class="a-list-item"> All supplies are freshly manufactured for the specific need and are completely guaranted to fit your machine. </span></li><li><span class="a-list-item"> Our site is a first-class BBB member and provides the highest credit card security available. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31jm-Xam1PL.jpg" noproxy>