This Patent Pending Neoprene cover is designed to fit theHolosun 407K & 507K Micro Red Dot Scope. This weather resistant cover will protect the scope in all environments and is soft enough to keep from scratching the scope. Sold in a 2-pack only! Covers are made of Soft Santoprene Stretchable Rubber Our Covers will NOT work with Metal Shrouds! ****DOES NOT INCLUDE SCOPE**** SAME MEASUREMENTS AS HOLOSUN SCS CARRY.