Compatible with the eyepieces of Leupold Ultralight, FX-I Rimfire, FX-II 2.5x28mm Scout, VX-2 1.5-4x28mm Scout, VX-Freedom 1.5-4x28mm Scout, VX-1 Rimfire, VX-2 Rimfire, FX-II Rimfire and Prismatic riflescopes, the Alumina Flip-Back lens covers provide maximum protection and convenience. Featuring powerful neodymium magnets to keep them securely closed, these covers also boast triple O-ring seals for superior protection against the elements. Crafted from durable 6061-T6 aircraft-grade aluminum, they are precision-machined for smooth, easy operation and a low-profile design when opened. The round objective and ocular models can be rotated to open in any direction, ensuring a versatile and practical solution for safeguarding your optics.