The Vision-Luxo 18213LG LED Magnifier with 3-Diopter Lens, 30 in. Arm, Edge Clamp Mount, Light Grey features a flexible, self-balancing shade and fully-enclosed, hands-free neck design combined with 30 in. heavy-duty internal-spring parallel, three-pivot K-arm, allows the lamp head to be secured in any position and are ideal for environments where FOD is a concern. The spring-balanced arm provides maximum vertical and horizontal movement, and will always stay in the right position without drifting. The quality and positioning of the LEDs across two semi-circular modules allows for virtually shadow-free 3-diopter (1.75X) magnification and excellent color rendition.