Butler Creek Multiflex Flip-Open Scope Cover Size 13-14 1.570-1.605" (Eyepiece) The incredible lens protection of our standard Flip-Open™ covers, but with additional flex in the collars to fit a wider range of scopes and the added convenience of purchasing front and rear covers together. Carry over your shoulder or use as a hasty sling. Features: - Size 13-14 1.570-1.605"/ 39.9-40.8mm - Same basic features and design as standard Flip-Open™ series - Tight, flexible collar provides custom fit for multiple scopes - Waterproof, airtight protection - Covers open silently with the flick of a thumb