MM-10LED 10x Measuring Magnfiier with LED, This is a Torch Style Fixed Focus Measuring Magnifier with 10x-25mm lens with 0.5mm, and 1/16" increments measuring reticle has multi LED illumination for brilliant detailed magnified inspection and measurements. A precision measuring magnifier, can also be used as a linen tester. This is a fixed focus hands free measuring magnifier must be placed directly on the surface to measure. (Requires 2 "AA" batteries)