Phot r telescopic collapsible reflector holder is ideal for mounting studio reflectors up to 65 167cm to a light stand the holder mounts to any stand that has a 58 diameter top stud it includes a 58 female stand adapter the holder extends from 66cm to 175cm so it can accommodate a wide range of reflectors the 58 socket allows a threaded screw mount adapter to be fitted so it can be attached to tripods or light stands with a threaded screw the phot r professional light stand it is