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: 6 Stainless Steel, Spring Hinge Size: 54-18-145 Colors: Gunmetal/Black: UPC: 644042580337 Brown/Brown: UPC: 644042580320 SIZE A B ED 54-18-145 53.80 34.60 57.40 ED ANGLE DBL STS CIRC. 23.4 18 136 152.0 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.