This backdrop support system is lightweight, heavy-duty and extensible for almost any application, it is comprised of two tripod stands and four cross bar sections. Cross bar consists of four sections, making it simple to adjust the width. Width adjustable up to max 10ft and height is adjustable max 8.5 ft. Light stands use quick single action locks, providing fast precision height adjustment. Spring clamps clips 3.75 in. /9.5cm for photo studio backdrops. Clips are designed to grip the background to the backdrop stand. Heavy-duty carry bag provides you convenience to carry the kit anywhere.