MMD-6 LED 6x fixed focus measuring magnifier with a linen tester style reticle with 3/4" square measuring field. Easy to read increments allows for easy measuring and examination of thread counts, latent fingerprints, surface inspection, has both 1/16" and .5MM increments. Durable metal base construction and triple led and UV bulbs allow this magnifier to inspect currency security threads, check gemstone and mineral fluorescence, make critical inspection and measurements. Used for measuring, checking linens, fingerprints, fluid examinations, gem cutting and inspecting, printers, graphic artists, counterfeit detection, part and surface inspection.