Butler Creek, Blizzard Scope Cover, Fits 2.3 - 2.40, Size 10, Clear Lenses crafted of optical-grade polymers Ambi open and close Silent spring-loaded operation Reliable in extreme conditions MSRP: $8.95 Product Description Butler Creek's famous Flip-Open lens cover design with clear windows for fast target acquisition at close to medium ranges. Specifications UPC 051525702108 Manufacturer Butler Creek Manufacturer Part # 70210 Model Blizzard Type Scope Cover Size 2.3-2.40 Color Black, Clear Description Size 10 Subcategory Caps & Covers