HIVIZ Model 400 Two-In-One Magnetic Base Rib Shotgun Sight<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"> Magnetic base sight </span></li><li><span class="a-list-item"> Includes two LitePipes (orange and green round， orange and green triangle) </span></li><li><span class="a-list-item"> Fits ribs from .360" to .440" (23/64 - 7/16; 9mm - 11.1mm) </span></li><li><span class="a-list-item"> Model TO400 </span></li><li><span class="a-list-item"> 1 Year manufacturers warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41sivQScLnL.jpg" noproxy>