The Butler Creek Element Scope Caps are a highly durable and versatile solution for protecting your rifle optics. Designed to fit a wide range of scope objective lens sizes from 35mm to 40mm, these caps create a watertight and airtight seal to shield your lenses from the elements. Featuring a multi-flex sleeve and stainless steel hardware, the Element Scope Caps can withstand the harshest conditions. The objective flip-out printable dope disk provides crucial wind and elevation information, allowing you to make precise adjustments in the field. With 180 and 270-degree lip open positions, these caps can be easily accessed with the touch of a button, ensuring you can take your shot through a narrow window of opportunity. Fits scope objective lenses from 1.38-1.58" (35-40mm) Interchangeable disk inserts for changing environments Stainless steel hardware and strong polymer construction Multi-fit design to accommodate 95% of scopes on the market Whether you're hunting in the backcountry or engaging in competitive shooting, the Butler Creek Element Scope Caps provide the protection and functionality your rifle optics need to perform at the highest level.