20x 29mm Linen Tester Magnifier with LED

20x metallic loupe with 3 super-bright LED lights that provide unparalleled viewing magnification. Features a 29 mm diameter crystal lens, 20x magnification, and a 3 cm retractable ruler. Includes: protective leather case and lithium batteries. Dimensions: 45 mm height x 60 mm width and 61 mm length. Warranty against manufacturing defects: 30 days. Uses 4 LR927 batteries - (included).