Product DescriptionProtect your optic with the original Flip-Open objective cover from Butler Creek. This rugged black polymer cap is custom-fit for 27.8 mm (1.095 inch) objective outside diameters and seals out water, dust, and debris. A fast, thumb-operated lid and silent spring hinge let you stay on target without spooking game, while the air-tight design keeps your lens clear in the harshest conditions. Lightweight and proven down to -40AdegF, Size 04 delivers reliable protection with a friction-mount fit range of .01 under and .025 over the stated measurement.Product HighlightsFast flip-open lid with silent spring hinge for quick, quiet operationWatertight and airtight friction mount helps keep out dust and moistureCustom-fit objective cover for 27.8 mm (1.095 inch) outside diameter opticsLightweight design weighs less than one ounce; ambidextrous useField-tested performance to -40AdegF for extreme weather durabilitySpecsProduct Type: Objective scope coverManufacturer Size: 04Compatible Objective OD: 1.095 inches / 27.8 mmFit Range: .01 under and .025 over stated measurementMaterial: PolymerColor: BlackHinge: Silent spring hingeSeal: Watertight, airtight friction mount with semi O-ringWeight: Less than 1 ozTemperature Rating: Tested to -40AdegFBrand Name: Butler CreekUPC: 051525300403MPN: 30040Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.