Product DescriptionProtect your optic with the Butler Creek Flip-Open Objective Scope Cover. Custom-fit for a 38.10 mm (1.5 in) objective in Size 10, this black polymer cap creates a watertight, airtight seal and flips open instantly with your thumb for fast shots in extreme conditions. A silent spring-hinge prevents spooking game, and the lightweight design has been tested to perform down to ?'40AdegF. The cover's fit range is .01 inch under and .025 inch over the stated measurement, ensuring a secure, friction-fit on your scope.Product HighlightsFast, flip-open design with silent hinge keeps your eye on the targetWatertight, airtight seal helps keep out dust, moisture, and debrisDurable black polymer construction built for harsh field conditionsLightweight-less than one ounce; tested to ?'40AdegF for reliable performanceSize 10 fit for 38.10 mm (1.5 in) objective lenses with precise friction mountSpecsBrand: Butler CreekManufacturer Part Number: 30100UPC: 051525301004Product Type: Flip-Open Objective Scope CoverSize: 10Objective Diameter Compatibility: 38.10 mm (1.5 in)Material: PolymerColor: BlackWeight: Less than 1 ozOperating Temperature: Tested to ?'40AdegFFit Range: .01" under and .025" over the given measurementsDisclaimer: 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.