Leupold Alumina VX-6 Flip-Back Lens cover, Eyepiece, 36mm Compatible with 36mm scope eyepieces by Leupold Designed for VX-5HD, VX-6, VX-6HD and Mark 5HD riflescopes The round objective and ocular models can be rotated so they can open in any direction Many Leupold scopes built prior to 2004 can be threaded to accept Alumina accessories. Department - unisex-adult. Included Components - Cover. Material - other. Sport Type - Hunting.