Description: 1/4 inch universal camera screws make it's compatible with all digital cameras. 360 degrees rotating make panoramic taking available. Can withstand heavy loads, lock solidly, and move smoothly. This ball head is well-designed, made of strong, durable metal. Non-slip rubber pad to protect the camera from being scratched. Specification: Material: Metal+Plastic Bottom diameter: 35mm Maximum load: 0.5-1KG Package Includes: 1 PiecexTripod Ball Head