The KFM Magnifying Lamp has a sturdy all-metal construction with a sleek design, flexible arm and excellent light output suitable for a variety of industrial, laboratory, cosmetology and low-vision applications. It has excellent optics, The 5" diameter optical-quality glass lens is of the highest quality, for the best possible viewing experience. A 22W fluorescent lightsource with instant-on switch ignites the fluorescent tube with just a touch. It allows for maximum flexibility and precision. It has flexibility of the neck assembly and a patented, heavy-duty, internal spring K-arm.