The Smilen Eyewear® GothamStyle® Stainless Collection: Value priced superior quality stainless steel frames with spring hinges. GothamStyle® Stainless offers a wide variety of sizes ranging from 44 to 60mm. Model: 3 Stainless Steel, Spring Hinge Size: 57-16-145 Colors: Black: UPC: 712321025272 Brown: UPC: 712321025289 Gunmetal: UPC: 712321025296 SIZE A B ED 57-16-145 57.20 36.70 61.00 ED ANGLE DBL STS CIRC. 23.4 16 133 159.8 Frames carry a two year warranty (for frame exchange only). Available colors for purchase are determined in the shopping cart "Color" menus. Available frame styles are indicated in the "BRANDS:" drop-down menus above.