3X Folding Loupes Pocket Magnifier Magnifying Glass Jewelers Gem Tools This is a new set of 3 folding 3X magnifiers Enlarges fine print in books, maps, newspapers, directories, legal documents, etc Each has a soft folding cover Both have a focal distance of 3 1/2" (89 mm) Each measures approximately 2 3/4" x 2 1/8" (70 x 54 mm) closed