Lotus Connect Store › Eisco Labs Plain Circular Mirror, 100mm Diameter Eisco Labs Plain Circular Mirror, 100mm Diameter $2.34 EISCO Plain Circular Mirror, 100mm Diameter(1) MirrorThis optically true glass mirror has a scratch resistant copper back. Quantity: Add To Cart Added! EISCO Plain Circular Mirror, 100mm Diameter(1) MirrorThis optically true glass mirror has a scratch resistant copper back.