The two-section 196AB-2 articulated arm supports 3.3 lbs at full extension and weighs less than 1 lb. It also benefits from the extra versatility given by the sliding extension system which allows easier positioning of lighting fixtures even in awkward and tight spaces. Maximum Length is 23.8 inches, and the bottom 5/8" spigot (compatible with the Superclamp), also has a 1/4" thread..