For superior optics, and a long useful life, you cannot beat optical glass magnifiers. The6.45x Magnifying Glass – 2 Inch Diameter resists scratching and will provide superior optics for a long time. The glass lens is securely welded into the frame so these magnifiers are perfect for classroom use. The 2″ (50 mm) 5x magnifier powerful yet compact and affordable so it’s perfect for larger groups or smaller hands. This is a great magnifying glass for exploring nature and teaching. Total length 6 inches Please note: Recently the manufacturer has relabeled most of their magnifiers. The 5x were previously labeled 6.45x magnification.
