4 spring-loaded poles secure a dust barrier up to 10 ft. high and 30 ft. wide or add them to your existing ZipWall system. This kit includes four poles with parts, 2 self-adhesive standard zippers with flap hooks and a carry bag. It is a perfect ZipWall starter kit. ZipWall 10 spring-loaded, stainless steel dust barrier poles are strong and lightweight, telescope up to 10 ft. high and twist to lock. They are an ideal dust protection solution for residential remodeling, renovation and repair work. Contractors and DIY home owners alike find these poles easy to use, easy to store and a significant time saver. Quick and easy to set up - no ladders, no tape, no damage.