The Slide-Open Pocket Magnifier GN-11 is a compact and portable 4x magnifying glass with a protective case, perfect for reading fine print on books, menus, and newspapers. Its slide-open design makes it easy to use and store, while the built-in case protects the lens from dust, debris, and scratches. Ideal for travel, fits easily in a handbag, pocket, or backpack. Also great for hobbies, crafts, inspections, and other low-vision tasks. pocket magnifier, arborist supplies, entomology, coin collecting, study of insects, plant pests and diseases, reading prescription bottles