 | Ray-Ban Eyeglasses Gunmetal Frame Lenses Polarized 52-20. Ray-Ban RB6510 Optics feature a metal frame with pillow-shaped providing a modern and versatile look. The gunmetal color adds to the sleek appearance of these eyeglasses, while the polished finish offers a refined style suitable for any occasion.... - Ray-Ban Eyeglasses Gunmetal Frame Lenses Polarized 52-20. |