Just Like The Professionals Use, This Versatile Magnifier (3x Optics With 3 1/2 Diameter) Clamps (up To 2 1/4" Think Desk) Onto The Edge Of Your Desk And Provides Light With A 60 Watt Bulb. (not Included) The Flexible Arm Extends To 36" Long, And Provides Hours Of Hands-free Use For Both Professionals And Hobbyists. Hollow Steel Arm Is Lightweight And Adjusts With Steel Springs And Tension Control Knobs.

* Adjustable Arm , Up To 36"

* Needs 60w Bulb (not Included)

* Steel Springs Stay In Position

* Mounts Easily On Table Edge

* 3.5" Lens with 3x optics