General description This Jeweler's Magnifying Glass features a high-quality design with antique lenses, making it perfect for examining intricate details in jewelry, monuments, geology, coins, stamps, miniatures, and antiques. Technical specifications Magnifying glass size: 36 x 24 mm (L x W) Lens diameter: 21 mm Magnification: 30x Material: Zinc alloy Glass: Extra-thick, scratch-resistant Compatibility and accessories Includes a small loop for attachment to a chain or keyring for easy access.