TheImpact Telescopic Collapsible Reflector Holder is ideal for mounting reflectors such as Impact, Flexfill, or Photoflex light discs up to 60 to a light stand. It mounts to any stand that has a 5/8 diameter top stud. It includes a 5/8 female stand adapter with female 3/8 and 1/4-20 threads for stands topped with those threads.Alternately, it can hold a small light head to an extension of almost 3 from the center of your light stand (with the addition of a 3/8 to 5/8 adapter, not included).Two-section support arm telescopes for use with different size reflectors.Dimensions : Collapsed: 29 (74 cm), Fully extended: 67 (1.7 m)Weight: 2.65 lbs (1.2 kg)