FL-3x 3x Folding Pocket Magnifier with wide field of view and 1.5" lens for 8 diopter magnification. Folding single Lens 3x Pocket Swing Style Magnifier. Designed to be very lightweight yet very durable, swings open for easy use and closed for protective storage. Ideal 3x Magnifier and portable inspection tool widely used in industrial use, as well as reading small print, text, inspecting parts, coins, stamps, quality control.