Fast flip open design custom fit for most scopes. Kindly refer the PDF in the Product details section for better understanding. Also refer to the Video to know on how to measure a scope's lens
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