Butler Creek Multi-Flex Flip-Up Scope Cover Eyepiece (Rear) 19-20

The Butler Creek Multi-Flex Flip-Up lens covers offer the incredible lens protection of Butler Creek's standard flip-up covers, but with additional flex in the collars to fit a wider range of scopes.Note: Please see application chart below to help determine the correct size. Fitment:Cover Number 09,09A / 20909- 1.468" to 1.485" ocular bell diameterCover Number 10,11 / 21011- 1.516" to 1.550" ocular bell diameterCover Number 13,14 / 21314- 1.570" to 1.605" ocular bell diameterCover Number 16,17,18 / 21618- 1.660" to 1.700" ocular bell diameterCover Number 19,20 / 21920- 1.730" to 1.775" ocular bell diameterFeaturesFlexible collar provides tight fit for multiple scope sizesWaterproof and airtight Custom fit for most scopesSilent, "instant action" lids pop open at the touch of a button