Sunpak Compact Ball Head Compact ball head for holding digital, APS, and video cameras or other accessories Heavy-duty, nickel-plated ball joint holds up to years of dependable use Rugged ball-and-socket design enables quick horizontal and vertical positioning Knurled camera mount and locking knobs; anti-scratch plate prevents camera damage Mounts to any tripod with 1/4 x 20 thread stud; weighs only 4.8 ounces