Zip Wall SLP4 Spring-Loaded Poles For Dust Barriers, 3.5" x 5.2" x 59"Highlights: Product Dimensions : 3. 5" x 5. 2" x 59" Build a dust barrier in minutes without tape, ladders or damage Each pole weighs just 2 lbs. and extends 4' 7" to 12' For residential or commercial jobs Works in positive and negative air, helps ensure RRP compliance Contains four 12' aluminum, spring loaded poles with parts, standard zipper 2 pack, and carry bag It's a perfect starter kit