Montblanc Sunglasses. Color code: 004. Size: 52. Shape: Square. Lens Width: 52 mm. Lens Bridge: 19 mm. Arm Length: 145 mm. 100% UV protection. Non-Polarized. Frame Material: Metal. Frame Color: Silver. Lenses Type: Blue. UPC/EAN code: 889652250564. Montblanc Blue Square Men's Sunglasses MB0050S-00452.