PEAK Dbl Linen Tester 4X
The Linen "tester" is a convenient folding type magnifying glass not just for inspecting linen and cloth, but for inspecting any kind of flat sample prior to examination in either a light or scanning electron microscope. Microscopists find these "linen testers" to be the ideal kind of tool to use for identifying important areas that have to be cut out of a relatively flat kind of sample for further analysis and inspection.
The magnifier featuring high quality optics and glass lens are completely collapsible and are constructed out of aluminum with a black anodized finish. The folding type magnifying glass 09791-AB is 1.5" x 1.5" (38 x 38 mm) in size, and has 2 lens that is 4X in magnification.