Benro Aluminum Short Center Column for 3 Series Tripods (ASC3) Allows the user to bring equipment higher off the ground or lower to the ground. This benefit of added height and/or decreased height offers the user incredible versatility during photoshoots. Features a standard 3/8"-16 thread for mounting on most tripod heads. Ideal for location shooting or for studio use. Limited 3-Year Warranty (Extended to 5-Years with Online Registration).