Check the listing for details. 3x Rectangular Professional Quality Reading Magnifier 5x bifocal MADE IN USA 2x4. Color: Black, Condition: New. Listed at 21.99 USD. HL2x4 Rectangular handheld magnifier with 2" x 4" 3x main lens and 5x bifocal. Unique Compact size makes is a large lens pocket magnifier . Compact size makes this very portable, and this magnifier is designed for special applications like veterinary, medical, forensics, microelectronics, etc. use where you don’t want a the obstruction of a handle and it fits nicely in a pocket or purse for easy use. This Magnifier has a powerful rectangular 3x 2"x4" Lens, all other rectangular lenses of this size have a 2x-2.5x Magnifier comes in leatherette storage pouch. Wide field of view makes this an ideal reading and inspection and scanning magnifier. This is also useful for those with early to mid stage AMD Macular Degeneration. Widely used by Federal agencies for document inspection,CSI inspection, and parts and surface analysis. Proudly Made in USA