Andoer 360&deg;panorama Gimbal Tripod Ball Head Metal with Standard Quick Release Plate Heavy Duty for DSLR Camera Telephoto Lens (Max.Load to 20kg / 44Lbs) Horizontally and vertically 360rotatable design with calibrated scale. Built-in gradienter and compass to help you get the best shooting position. Different fast locking knobs to help adjust the different parts of the tripod head. Quick release plate with standard 1/4" screw for cameras. 3/8" screw hole at the bottom to attach it to tripod.