The TAE-324F/BH-15 Professional Photo Tripod System features a 180 degree folding design for traveling. Built-in bubble level for precise positioning. Friction Control System allows you to modify the level of friction on the ball to accommodate changing equipment weight. Adjustable leg angles can be independently locked into place at three different angles and a Multi-Angle Central Column. Spring loaded weight hook allows assitional weight mounting stability during windy conditions. Alloy body minimizes weight. Dual threaded head platform assures compatibility with almost any tripod head and camera. Alloy body with aluminum leg pipe & adjustable foot spike. Features large foam grips on all three legs for all-weather use.