Bausch & Lomb 4X Packette Attached Case Folding Magnifier
Bausch & Lomb 81-23-54 Folding Pocket Magnifier offers a single lens, 4x magnification, with a durable plastic swing away case that protects and serves as a handle.
Features
Focal Distance=2.5"
Diopters 16D
Lens Diameter 36.0mm
4x Magnification Power