BV-4 4” Large 4 inch 2.5x Round high power Hand Held Magnifier ideally suited for reading with ergonomically shaped handle that is Made In USA. This magnifier has a large lens makes for a very wide field of view and an excellent reading and scanning magnifier. Ideal magnifying glass for basic inspection and reading use. Lightweight yet durable extra large magnifying glass for everyday usage. 2.5x Magnification on main lens with a 5x bifocal. 

• Lens Power/ Magnification -2.5x
• Lens Diameter - 6 Inch
• Lens Diopter - 4 Diopter 
• Lens Focal Length  9"