This long version of the standard plate allows perfect balance for camcorders with unusual weight distribution caused by long tele lenses or heavy batteries the plate has a laser engraved scale to help identify the optimal positions 110mm in order to have the max range of balance positions the vhs location pin can be moved along the length of the plate supplied with 2 x 14 and 2 x 38 camera fixing screws for 501 and 503 video heads