Butler Creek Flip-Open Eyepiece Scope Cover， Size 11 (1.55-Inch， 39.4mm)<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"> Fast， flip open design， custom fit for most scopes </span></li><li><span class="a-list-item"> Water-tight， custom-fit friction mounts anchors them to your scope， air-tight semi-O-ring keeps out dust and moisture </span></li><li><span class="a-list-item"> Truly ambidextrous， silent spring hinges won't spook game </span></li><li><span class="a-list-item"> Instant action lids pop open at the touch of a thumb </span></li><li><span class="a-list-item"> Performs from- 40 to 120 Degrees F， weighs less than an ounce </span></li><li><span class="a-list-item"> Please watch related video for instruction on sizing </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51MvKABzqJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41VX0IylVaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MVed7oiSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4158oCvJHZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51QwoUC3mYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VsAK4p-hL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01Qj6Bc2SKS.png" noproxy>