Engineered specifically for industrial applications where eye hazards are present, our products are designed for fashion but built to perform to ANSI Requirements. . • Features Monobloc Metal 3 -Barrel Hinge, memory metal technology for temple and bridges and N- • N-Tite® system and monobloc end pieces • Available in 2 colors and 2 sizes. . Sizes: • 51.18.140. • 53.18.145 . Features & Benefits: • Colors: BRN Brown, BLK Black • Memory metal technology, Metal 3-barrel hinge and N-Tite System • No replacement temples • Side shield: Detachable, T-LOC® only, CS14