Euromex PB.5049 Linen tester - folds in completely - with achromatic lens 6x. Base with opening of 25x25 mm, provided with millimeter division. All metal, painted black. In plastic case.
The Optas Classic 100X50/20 is a classical bifocal illuminated magnifying glass with a diameter of 100X50/20 mm for 2 mignon batteries 1.5v (batteries not supplied).