Meco 1.2mm Thickness Flat Sapphire Glass 16mm-41mm For Crystal Watch

Specification: Material: Sapphire glass Color: Clear Thickness: 1.2mm (there might be 0.1mm difference) Diameter:28mm /29mm/ 30mm / 31mm (there might be 0.05mm difference) Features: Hardness level is 9, just next to diamond Highly clear Smooth edge treatment, no scratches The surface is smooth High temperature resistant, scratch-proof, wear-resistant Package Include: 1 x Sapphire Watch Glass