The Vision-Luxo 16345LG Fluorescent Magnifier with 3-Diopter Lens, 45 in. Arm, Edge Clamp Mount, Steel Body, Light Grey is an ideal lighter-duty magnifier for low-power inspection. This model includes a 22-watt fluorescent circline lamp which provides 360◦ shadow-free illumination. The built-in starter means the switch does not have to be held down for several seconds to illuminate the tube. The 16345LG offers a light grey finish and a stamped steel shade.