Features: Metal Tripod Ballhead: Made of aluminum alloy material, solid and durable; adopts CNC processing and surface anodizing treatment, exquisite workmanship and smooth operation. Standard 1/4 Inch Screw: With standard 1/4 inch screw on the top and max. load capacity is up to 5kg/11lbs, suitable for most DSLR, ILDC cameras, DVs, mini camcorders, and so on. U-shaped Groove Design: Designed with a U-shaped groove on the side and has powerful locking knob, which enables you to quickly switch between vertical and horizontal photography. Panoramic Photography: The disc-shaped base can achieve 360° panning movement with calibrated precision for panoramic photography. With side knob to lock the disc-shaped base firmly. Wide Compatibility: With 3/8 inch screw hole and 1/4 inch to 3/8 inch convertible screw, the ball head can be mounted on almost any tripod, monopod and other photography bracket with 1/4 inch or 3/8 inch screw. Specifications: Material: Aluminum alloy Max. Load Capacity: 5kg/11lbs Screw Mount for Camera: 1/4 inch Screw Hole: 1/4 inch and 3/8 inch Ball Sphere Diameter: 20mm Base Diameter: 35mm Item Weight: 86g/ 3oz Package List: 1 * BallHead