ChromLives Video Camera Tripod Action Fluid Drag Head For DSLR Shooting Filming Sliding quick release plate with 1/4" screw thread Fluid drag system provide smooth consistent tilt and pan controls Tripod screw mount: 3/8" or 1/4" screw thread Built-in bubble horizontal leveling indicatorComes with two plastic quick release plates Compatible with all DSLR(Cannon, Nikon, Sony, Samsung, Panasonic, Kodak,etc.), Camcorders, Tripods and slider rail, etc.