ZipWall Pole and Jack Kit, Material Stainless Steel, Maximum Extension Height 20 ft, Minimum Extension Height 5.16 ft, Width 3 3/4 in, Color Black/Red, Includes (2) 20 ft Spring-Loaded Poles with Parts, For Use With Dust Barrier, Application Dust Barrier, Features Innovative Non-Skid and Non-Marking Head and Plate, Spring Loaded, Strong and Lightweight, Height 30 ft, Locking Mechanism Twist to Lock, Pole Type Telescoping, Product Type Telescoping Pole