It is 2” ( 50mm ) diameter, glass lens. An all-time favorite, easy to use for quick inspection of many types of things, coins, antique markings, fine print etc.
• Lens Diameter: 2-1/2″
• Magnification: 5x
• Glass Lens
• Plastic Body
• Vinyl Cover with Felt Lining
• Unlimited Use in Home & Office
• Great for Hobby, Jewelry Making, Fine Detailed Work, Watches Etc.