Magnifying lamp model LT-86A provides cool bright light under the center magnifying glass. A 22 watt fluorescent ring bulb surrounds the 3/5/8 diopter magnifying lens to flood the inspection area under the magnifier with plenty of light for close up inspection work. The spring balanced arm provides just the right amount of mobility and resistance to hold the magnifying lamp where it's most needed.  Features: - 9 inch diameter magnifying lamp head (23 cm) has handle  - A circular 22 watt fluorescent bulb surrounds inspection magnifying lens - Large viewing area 3/5/6/8 diopter glass magnification lens is 5 inch in diameter (12.7 cm)  - Spring balanced arm has a 38 inch maximum reach (96.5 cm)  - Base clamp secures to any flat surface from 0.5 to 2.0 inches thick ( 1.27 to 5.08 cm)  - Power supply: 220V/110V AC