The Butler Creek Flip Open 17 Eyepiece, Clam MO20170 is the ultimate scope lens protection for hunters and shooters. Designed to fit S& B PMII 5-25 x56 scopes, this flip-open eyepiece cover provides a watertight and airtight seal, protecting your scope from dust, moisture, and debris. The custom fit friction mounts anchor securely to your scope, while the silent spring hinges ensure quick and quiet operation. Made from durable polymer, this eyepiece cover offers reliable protection in various weather conditions Butler Creek Flip Open 17 Eyepiece, Clam MO20170