The Butler Creek Element Scope Cap Black Eye Piece 1 is the ultimate scope lens protection for hunters and shooters, designed as a custom-fit 1"/25.40mm cap to create a watertight, airtight seal while preserving quick target access with a fast flip-open design. Engineered with silent spring hinges, it stays quiet enough to avoid spooking game, and its water-tight friction mounts securely anchor the cap to your scope for dependable protection in harsh environments. This ambidextrous eye piece weighs less than an ounce and features an airtight semi-O-ring to keep dust and moisture out, ensuring clear optics in extreme conditions down to -40 degrees Fahrenheit. The element caps precise fit and modular construction help you maintain peak sight line visibility during critical moments, so you can put your shot through the narrow window of opportunity without delay. From the field to the range, Butler Creeks MO30010 model combines durable materials and thoughtful design to deliver reliable lens protection that stands up to rugged use, making it a practical addition to any scope accessories kit.