Fotodiox Pro Premium-grade Tripod Lens Collar for Canon EOS EF 100mm f/2.8L Macro IS USM Lens， as Canon Tripod Mount Ring<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"> Aluminum die casted creating a tripod mount that is Lightweight， strong， and affordable </span></li><li><span class="a-list-item"> All metal construction </span></li><li><span class="a-list-item"> Replaces Canon Tripod Mount Ring D </span></li><li><span class="a-list-item"> Includes a 24 Month Manufacturer Warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Z-495X4kL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41czAdv9GGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51cX8hi4cqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413G-1AA9fL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41AL7gX6pyL.jpg" noproxy>