PROST Pro YT-950 Tripod Action Fluid Drag Head Video Camera For DSLR Shooting Filming Tripod screw mount: 3/8" or 1/4" screw thread Sliding quick release plate with 1/4" screw thread Fluid drag system provide smooth consistent tilt and pan controls Compatible with all DSLR(Cannon, Nikon, Sony, Samsung, Panasonic, Kodak,etc.), Camcorders, Tripods and slider rail, etc.