Ray-Ban RX 7551 is a slim, squared metal optical frame designed for everyday prescription wear, combining a minimalist profile with durable metal construction. Key attributes: Gray | Metal | Squared frame | Dimensions & fit: Available sizes: 54/19/145, 56/19/145 | Lens height: 36 mm (size 54) / 37 mm (size 56) | Bridge: 19 mm | Temple length: 145 mm | Composition & care: Metal