Butler Creek Element Scope Cap Objective 55-60mm Black. With these Rifle Scope Accessories by Butler Creek you get a data disk that has wind and elevation info printed on it so you can properly calculate your shots with precise details. This Butler Creek Element Rifle Scope Cap w/ Data Disk features a strong polymer material build to withstand punishment. However the true value is in the three interchangeable lenses that come with the package. A black lens for sun glare reduction and a clear lens for rain and fog protection and a data disk which offers wind and elevation information tailored to your weapon and scope make these caps extremely versatile. You can even get them multi-fitted since they stretch to fit 10 different diameter scopes. Print out the data disk template at ButlerCreek.com so that you have the option of inserting a data disk that has caliber-specific details. Plus they have a multi-fit design with 10 caps in line to fit the majority of scopes on the market. Pick up yours today for the protection and utility you need in a variety of field conditions. An integral spring loaded hinge on the Butler Creek Element Rifle Scope Cap Objective and safely stash it in your pack until you need it again. Specifications for Butler Creek Element Scope Cap Objective: Manufacturer: Butler Creek Fabric/Material: Polymer Color: Black Features of Butler Creek Element Scope Cap Objective Interchangeable disk inserts for changing environments Fully customizable ballistic data disk template printable at ButlerCreek.com 180- & 270-degree lip open positions Strong polymer material to withstand punishment Stainless steel hardware Multi-fit design with 10 total caps in line to fit the majority of scopes on the market Package Contents: Butler Creek Element Scope Cap Objective Butler Creek ESC60: Element Scope Cap Objective 55-60mm Black