Carson's MagniFlex is a lighted, fully-adjustable, flexible arm magnifier that attaches to your fly tying desk. Or for convenient, hands-free use, the MagniFlex can be clamped to most fly tying vises. The MagniFlex's large 2x power lens provides a sharp, distortion-free view, while the 3.5x power spot lens allows fly tiers to see even the finest details with ease. Three super-bright LED lights allow for use in low-light conditions. The MagniFlex operates on 3-AAA batteries (not included) or supplied 4.5v DC adapter. 24 x 4 x 2. Weight: 18 oz. Fully-adjustable 2x power lens Three super-bright LED lights