Rifle Scope Cover Quick Flip Spring Up Open Lens Cover Cap Eye Protection Objective Cap Caliber 29 Size -------------Product Description------------- Please measure the outer diameter of the objective lens side and the eyepiece side of the scope before considering. 60mm caliber for objective lens and eyepiece is also made for spotting scopes. Tight, slightly flexible rubber material custom fits multiple scopes. Waterproof and airtight, protects the lens surface from dust, dirt, and the elements. Durable springs that can be opened and closed with both hands control the operation, opening quietly and silently with a light touch of the thumb. 26-91200