ESD-safe lens is protected with a special coating that alters the electrical characteristics at the glass surface. Shade and arm are powder-coated with a metal-laced paint that measures approximately 1010 ohms/sq (static dissipative). Magnifier embodies all the operational features of standard KFM Series circline magnifiers. 5" diameter lens with 22-watt circline fluorescent lamp provides 360° of shadow-free light. Triple-jointed, counter-balanced, concealed spring-arm allows for infinite positioning. Adjustable neck supports the head, which can move both vertically and horizontally. Magnifier comes with either a 3-diopter (1.75X) or 5-diopter (2.25X) lens, 45" spring-balanced arm, clamp-on mounting bracket, on/off switch, 3-wire cord, and 22W fluorescent tube. Color: Black.