The second safety locking pin prevents equipment from unexpected drop. Large quick release plate for better bearing of DV or cameras.The legs utilize large ergonomic lock adjustment knobs design for fast tripod height adjustment with strong locking. Quick release plate accepts 1/4-Inch and 3/8-Inch threads. Fluid damping system ensures smooth pan and tilt camera movements. The metal mid-spreader makes the tripod more stable. Three tripod height choices satisfy the different photography requirement. Working Height: 28.3"-57.5". The item "Pro Heavy Duty Video Camera Aluminum Tripod Fluid Pan Head Kit with Handle Arm" is in sale since Wednesday, May 27, 2015. This item is in the category "Cameras & Photo\Tripods & Supports\Tripods & Monopods". The seller is "4x6studio" and is located in Carrollton, Texas. This item can be shipped to United States.