Protect your Leupold riflescope's objective lens from rain and glare. The 3" Lens Shades can be threaded together to create custom lengths. Fits all Leupold VX-5HD, VX-6, and VX-6HD riflescopes with 42mm objective lenses. *Note- this item is Not compatible with Leupold M8 or FX-3 42mm riflescopes.