3 diopter (1.75X magnification) glass lens.
New improved clamp-on sponge design for firm contact on smooth surfaces and mounts to any bench or desktop.
Even, shadow-free light under the magnifying lens with 9-watt fluorescent tube will make it easier for you to see and enjoy the activities longer.
Spring balanced adjustable arm for easy maneuverability and positioning.
Easy to replace the fluorescent tubes.