Wide Swing-out Lens Magnifiers
All-in-one deluxe pocket magnifiers are ideal for identifying insects, mites, weeds, and disease. Durable, smooth plastic case slips easily and comfortably into your pants pocket. Swing-out lenses are glass, not plastic. Two 7/8" (23mm) diameter lenses provide 4x, 5x and 9x. USA made.
2013 Master Catalog: Page 544