The Butler Creek Element Scope Cap Black Eye Piece 2 from Butler Creek offers precision protection for your scope with a custom-fit, watertight, airtight seal that opens with a thumb to keep you on target through extreme conditions, specifically sized at 02 1.225"/31.10mm (Model MO20020). These scope lens protection caps are the ultimate choice for hunters and shooters, delivering a fast flip-open design that keeps your eye on the target while silent spring hinges prevent the slightest game-spooking noise. The water-tight friction mounts anchor securely to your scope, and an air-tight semi-O-ring seals out dust and moisture, ensuring reliable performance in harsh environments. Tested to -40 degrees Fahrenheit, the Element caps are truly ambidextrous and weigh less than an ounce, blending unobtrusiveness with rugged durability. Crafted in black for a discreet profile, these caps are a practical scope accessory that enhances lens longevity and readiness without adding complexity to your setup, making them an essential addition for those who demand dependable protection and immediate access in the field.