Montblanc Eyeglasses. Series number: MB0011O. Color code: 009. Shape: Square. Lens Width: 52 mm. Lens Bridge: 19 mm. Arm Length: 145 mm. Frame Material: Acetate. Frame Color: Transparent Grey. Lenses Type: Demo. Rim Style: Full-Rim. UPC/EAN code: 889652250588. Montblanc Demo Square Mens Eyeglasses MB0011O 009 52. Manufacturers Packaging Included. Packaging Size And Color May Vary.