1、Fine Tuning Damping: The ball head is equipped with fine tuning damping, which can be used to stably stay at any angle with a large camera. The damping has a strong locking force, and the camera can reach 20KG without falling. 2、Compass and Horizontal Scale Line: The base is designed with a compass to help you determine the real time orientation, and it is more convenient to shoot with a horizontal scale line. 3、Precise Processing: 360 degree ball head is made of metal materials, high accuracy processing, fine workmanship makes the products durable, not easy to damage. 4、With Quick Release Plate: Universal quick release plate with double safety device to prevent accidental slipping of large cameras. 5、Ball Head Interface: 360 degree ball head comes with a 1/4 inch to 3/8 inch screw sleeve, compatible with all tripods. 1 x Ball Head1 x Transfer Screw1 x Manual Item Type: Ball HeadProduct Material: ABS, MetalColor: As Pictures ShownWeight: Approx. 1153g / 2.5lbBase Diameter: Approx. 45mm / 1.8inMaximum Load: Approx. 20kg / 44.1lbQuick Release Plate Interface: 1/4 Inch ScrewBottom Interface of Ball Head: 3/8 Inch Screw Hole