Butler Creek Flip-Open Eyepiece Scope Cover

Fast, flip-open design; custom fit for most scopes Water-tight, custom-fit friction mounts anchors them to your scope; air-tight semi-O-ring keeps out dust and moisture Truly ambidextrous; silent spring hinges won't spook game Instant action lids pop open at the touch of a thumb Performs from -40 to 120 Degrees F.; weighs less than an ounce