Check the listing for details. Flip Up Scope Covers Rifle Scope Protect Objective Cap Lens Cover for Caliber. Condition: New. Listed at 5.99 USD. Flip Up Scope Covers Rifle Scope Protect Objective Cap Lens Cover for CaliberQuantity:1pcBrand new with high qualityFlip-open design.Protect your scope lens from scratches or dust.Material: PlasticColor: BlackPay Attention:1.The caliber size is the internal size of the cover, also is for the external diameter of the scope, before you buy it, you need to measure the diameter of your scope.2.Please note cover is sold in single.Caliber: 25 difference size for you choose:25.5MM,28MM,30MM,34MM,35MM,36MM,38MM,40MM,41MM,42MM,43MM,44MM,45MM,46MM,47MM,50MM,51MM,53MM,57MM,59MM,62MM,64MM,66MM,67MM,69MMPackage included:1pc Lens CoverNotice:1.1cm=10mm=0.39inch.2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.3.Please understand that colors may exist chromatic aberration as the different placement of pictures.