Crews Inc TK110 Tomahawk Black Frame Clear Lens Protective Eyewear (12pk). The Tomahawk is an affordable alternative for providing comfort, protection and style that now features fully-adjustable, five-position ratchet-action temples. Features a stylish wrap-around design and one-piece polycarbonate lens with integral sideshields. The lightweight frame provides added comfort and balance. Filters out 99.9 percent of UV radiation. All items shown meet ANSI Z87.1-1989 Safety Standards. Some of the items in this style also meet Canadian Standards Association (CSA Z94.3) and Australian (AS/NZS1337) Safety Standards. Treated with our exclusive Duramass scratch-resistant coating.