Features: 【Metal Tripod Ballhead】Made of aluminum alloy material, strong and durable; adopts CNC processing and surface anodizing treatment, exquisite workmanship and tender operation 【With Quick Release Plate】The quick release plate designed with 1/4 inch screw and anti-slip rubber pad, can install DSLR camera, DV, camcorder easily and stably Built in a bubble level that may help you discover the stability soon 【U-shaped Groove Design】Designed with a U-shaped groove at the aspect and has an impressive locking knob, which allows you to soon change between vertical and horizontal pictures mode 【Panoramic Photography】The disc-shaped base with precise scale can achieve 360° rotation for panoramic images With a facet knob to lock the disc-shaped base firmly 【Wide Compatibility】With bottom 3/8 inch screw gap and a 1/4 inch to 3/8 inch convertible screw, the ball head can be mounted to nearly any tripod, monopod and other photography bracket with 1/4 inch or 3/8 inch screw Specifications: Material: Aluminum alloy Max Load Capacity: 10kg/22lbs Screw Mount for Camera: 1/4 inch Screw Hole: 3/8 inch Ball Sphere Diameter: 28mm Base Diameter: 44mm Package List: 1 * BallHead