Protect your T-2 lenses, and keep them clear of rain, snow, mud, or dust. The iO cover has integral lens covers and a protective armor body that can&';t fall off or get lost. Low profile design allows covers to be quickly operated with one hand. Covers nest together so they don&';t flop under recoil. Receptive to most spray paints and hydro dip processes. Fits Aimpoint(TM) T-2/H-2 Optics.Features : Protects lenses One handed operation