RC-2 2" x 4" rectangular Glass Lens reading magnifier with a modern ergonomic tactile handle design. This is a classic style rectangle magnifying glass with a glass lens, glass lenses are typically optically inferior to optical grade acrylic lenses, however glass lenses are a great value and resistance to acid, metallic dust, scratching, and are very easy to clean. Great for basic inspection and reading columns, newspapers, dictionaries, phone books, etc.