HIGH STABILITY: 28mm low profile ball head design creates stronger locking force and greater stability. The screw knob is located on the side of the ball instead of the bottom of the ball joint, lowers the entire center of gravity of the ball joint by 15%, improve stability. Free Rotation Ball Head - Upgraded design with 360 degree panoramic base with 2 twist locks that can adjust your camera to different angles easily and quickly to tighten or loosen the ball. WIDE COMPATIBILITY: Equipped with a 1/4 screw, the removable Arca type QR plate is suitable for most DSLR cameras and camcorders. 3/8" screw hole at the bottom can be attached to tripod, monopod, slider and other brackets SMALL AND PORTABLE: Height only 70mm/2.76 inches, weight only 200g/0.44lb, easy to carry Sturdy and durable: maximum load up to 5 kg, made of aluminum alloy, it is very strong and durable; Note: the camera and tripod are not included