Butler Creek Flip-Up Lens Covers are amongst the most preferred scope lens protection for hunters. They are designed to create a watertight, airtight seal and open with a touch of your thumb, so you can put your shot through the narrow window of opportunity in the most extreme conditions. Constructed from a durable polymer, these Flip-Open eyepiece covers are available in a large variety of sizes determined by outside diameter to ensure the perfect fit to your scope lens. This particular model (size 14) fits eyepieces with a 1.605" outside diameter. Features: a Fast, flip-open design - keep your eye on the target a Silent spring hinges won't spook game a Water-tight, custom-fit friction mounts anchor them to your scope a Air-tight semi-O-ring keeps out dust and moisture a Tested to -40AdegF a Truly ambidextrous a Weigh less than an ounce. a Also made for spotting scopes Product Specs: Model: Flip-Open Scope Cover Type: Eyepiece Mount Type: Slip on Eyepiece Outside Diameter: 1.605 inches Material: Polymer Finish: Black Size: 14 For the best selection of optics and accessories Shop Palmetto State Armory!