Product DescriptionProtect your optic with the Butler Creek Flip-Open Objective Scope Cover, Size 11. Built from durable black polymer, this cap creates a watertight, airtight seal to keep dust and moisture off your lens. The fast, flip-open design with a silent hinge enables one-handed operation so you never miss the shot. It weighs less than an ounce, is tested to perform down to -40AdegF, and fits objective bells measuring approximately 1.54 in x 1.34 in (39.1 x 34 mm) with a slip-on friction mount. The fit range tolerates 0.01 in under and 0.025 in over the stated dimensions.Product HighlightsFlip-open cap with silent spring hinge for quick, one-handed accessWatertight/airtight semi O-ring seal blocks dust and moistureLightweight, rugged polymer construction; weighs less than 1 ozSlip-on friction mount sized for objective bells (Size 11)Cold-weather tested to -40AdegF for reliable performance in extreme conditionsSpecsProduct Type: Objective scope coverSize: 11Color: BlackMaterial: PolymerDimensions: 1.54 in x 1.34 in (39.1 x 34 mm)Fit Range Tolerance: 0.01 in under to 0.025 in over stated measurementMount Type: Slip-on friction mountWeight: Less than 1 ozTemperature Tested: -40AdegFUPC: 051525301103Manufacturer Part Number: 30110Brand Name: Butler CreekDisclaimer: 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.