ZipWall ZipPole 10' 4-Pack Spring-Loaded Poles for Dust Barriers, ZP4 High-quality/durability, sets up fast, no tape, no ladders, no damage Build a 30 foot barrier in under 5 minutes, Height: 51 inches to 10-feet 3 inches, accepts sheeting up to 8 mils thick, each ZipPole weighs 1.5lbs. Each ZP4 package contains 4 ZipPoles a head, plate, tether, and GripDisk for each pole, 1 box of Standard Zippers, 1 Carry Bag Meets strict ANSI certification for quality One year warranty.GripDisks prevent sliding on smooth floors.GripDisks prevent sliding on smooth floors