This Butler Creek flip-up Eyepiece lens cover opens at the touch of your thumb and features a watertight friction mount and semi O ring that securely anchors the cover, sealing out dust and moisture. The ocular lens covers feature a large push button for quick spring loaded opening when you want to keep your optics protected until the perfect shot presents itself. Eyes is the ultimate scope lens protection for hunters and shooters. It is custom-fit to your scope. It creates a watertight, airtight seal, and opens with a touch of your thumbs. You'll be able to put your shot through the narrow window of opportunity in the most extreme conditions! Features Fast, flip-open design keep your eye on the target. Silent spring hinges won't spook game. Water-tight, custom-fit friction mounts anchor them to your scope. Air-tight semi O ring keeps out dust and moisture. Tested to -40 DegreeF. Truly ambidextrous. Weigh less than an ounce. Also made for spotting scopes.

• Fast, flip open design, custom fit for most scopes
• Water-tight, custom-fit friction mounts anchors them to your scope, air-tight semi-O-ring keeps out dust and moisture
• Truly ambidextrous, silent spring hinges won't spook game
• Instant action lids pop open at the touch of a thumb
• Performs from- 40 to 120 Degrees F, weighs less than an ounce
• Please watch related video for instruction on sizing

Fast, flip open design, custom fit for most scopesButler Creek