Black Floating Buoyancy Arm Diving Camera Cam Bracket Holder Universal 5in Description: 60mm Underwater Buoyancy Light Ball Arm Joint. Offer a great buoyancy capable for ultralight, aquatic underwater camera system. The ball is pressed and bonded in the air to keep the arms floating. Practical accessory for wide-angle and macro photography. Made of high quality carbon fiber aluminum, light weight and durable . Perfect for shooting water-activities photos, or diving under water 100 meters. Specifications: Material: Carbon Fiber & Aluminum Diameter: 60mm/2.4inch Length: 127mm/5inch Package Includes: 1 Piece Camera Underwater Float Arm (Others Not Included) : Please allow a slightly errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understanding and attention, wish you a pleasant shopping experience!