Ray Ban Sunglasses. Series Square 1971 Classic. Series number: RB1971. Color code: 914778. Shape: Square. Lens Width: 54 mm. Lens Height: 48 mm. Lens Bridge: 19 mm. Arm Length: 145 mm. 100% UV protection. Polarized. Frame Material: Metal. Frame Color: Gold. Lenses Type: Polarized Blue/Grey Gradient. Rim Style: Full-Rim. UPC/EAN code: 8056597214360. Ray Ban Square 1971 Classic Polarized Blue/Grey Gradient Unisex Sunglasses RB1971 914778 54.Manufacturers Packaging Included. Packaging Size And Color May Vary.