Ram Mount 1-Inch Tough-Ball with 1/4-20 X 0.25 Inches Male Threaded Post (Black) Consists of a 1" diameter rubber ball, connected to a 1/4"-20 X .25" male threaded post The male thread matches most standard camera and camcorder female threads found on the bottom of the camera High Strength Composite & Steel There really is no limit to the number of uses youll find for the RAM Tough-Ball