The Leupold Alumina Flip Back Lens Cover – 52mm – VX-6 117610 Objective Lens Diameter: 52 mm, Finish: Black Matte, Fabric/Material: Aluminum, Attachment/Mount Type: Screw, Color: Black, Condition: New, Fit: Leupold VX-6. is here at OpticsPlanet with fantastic deals Free 2 Day Shipping! Please also check out more options for Leupold Alumina Flipback Objective Lens Covers.