Montblanc MB0401O 002 Optical Frame delivers a clean square silhouette in classic black, built for everyday prescription wear. Its refined look and practical construction suit both professional and casual outfits. Key attributes: Black | Prescription-ready | Rubber temple tips | Supplied with original Montblanc case | Square frame | Full-rim construction | Montblanc Snowcap emblem on temples | Dimensions & fit: Lens width: 55 mm | Lens height: 40 mm | Bridge width: 19 mm | Temple length: 145 mm | Frame size: 55-19-145