StudioFX Adjustable Tabletop Background Support Stand Product Photography 72 x 48 inches by Kaezi The two vertical columns have integrated clamps and extend from 2.2 feet to 4 feet with adjustable clutch collar locks. 3-section crossbar extends freely to easily align the slotted holes on top of the vertical column pins. The clamp has a wide 1.5 inch jaw with a top-mounted control grip to eliminate the need to crawl behind or underneath the work surface. Accommodates 53 in. wide seamless background rolls of paper or fabric (not included).