Sunglasses Ray-Ban Hexagonal Flat lenses RB3548 9202/3F 51 。I had to use loops (magnifying glasses jewelers use) to make out the info on the inner arms. Photos are as clear as I could get. Writing is in English but with the wear on inner arms it looks Asian without magnification. Product Details Model: 3548N 001/9O Lens Width: 51 mm Bridge Distance: 21 mm Temple: 145 mm Nice pre owned condition with original ear and nose pieces. Lenses are 98% clear with no vision obstructions. I would give these an 8.5 out of 10. New case/cloth included