Butler Creek Flip Open Scope Cover

* To ensure proper sizing, measure outside dimensions of Objective and Eye Piece Ends.*Red lever on eyepiece models only Watertight friction mount anchors cover securely to scope. With airtight semi-O ring to seal out dust and moisture. Spring activated lid pops open with touch of thumb. Weighs less than 1 oz.Eye: Lens closest to shooters eye, image with the red button release.Obj: Furthest lens from shooter, image withouth red button release.*Not Sold in pairs*