Montblanc MB0390O Optical Frame pairs a refined rectangular silhouette with a black-and-silver metal construction. The frame is designed to accept prescription lenses for everyday wear. Key attributes: Black | Silver | Transparent | Metal | Compatible with prescription lenses | Accommodates prescription lenses | Includes demo lenses | Supplied with original Montblanc case | Rectangular/squared silhouette | Full-rim frame | Contrast black and silver finish | Dimensions & fit: Lens width: 50 mm | Bridge width: 21 mm | Temple length: 145 mm | Lens height: 40 mm | Size 50 / 21 / 145