Wide Swing-out Lens Magnifiers
All-in-one deluxe folding 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 20mm and one 15.2mm lenses provide 5x, 10x, 15x and 20x. USA made.
2014 Master Catalog: Page 447