Butler Creek Multi-Flex Flip-Open Objective Lens Flip Cover 49.8-50.7mm

Butler Creek Multi-Flex Flip-Open Objective Flip Cap 49.8-50.7mm
The new Multi-Flex objective and ocular caps from Butler Creek offer you the same great features as the standard flip-open series, but this model line is equipped with a flexible and waterproof plastic housing that is suitable for multiple scope sizes due to its custom fit.

same basic function and same design as the standard flip-open series
close-fitting, flexible housing provides custom fit for multiple scopes
water-/air-tight objective/ocular protection
caps can be opened silently with a thumb click

Here you can find the Butler Creek guide for measuring diameters correctly: Butler Creek Scope Cover Guide