A must-have accessory for on-the-go fly tiers. Weighing just over a pound, this magnifier is perfectly sized for your travels. The lighted, fully adjustable flexible arm attaches to most fly-tying vises or tables for convenient hands-free use. Use the large 2X lens for a clear, distortion-free view of your work, or inspect the smallest details with the 4X bifocal spot lens. Three LEDs direct optimal lighting where you need it. Powered by three AAA batteries (not included) or use included DC adapter. Dimensions: 17 x 8-3/8 x 2-1/4 . Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Magnifiers.