Laptop Bag, Case & Backpack -Floating Carbon Fiber Floating Arm Highlights generic brand Floating Carbon Fiber Floating Arm Description: 60mm underwater light buoyancy 1 inch ball arm joint. Provides great buoyancy capable for ultralight, water arm and underwater camera system. The ball is pressed and stuck in the air to keep the arms floating. Practical accessory for wide-angle and macro photography. Made of high quality carbon fiber aluminum, lightweight and durable. Ideal for taking photos of water activities or diving underwater to 100 meters. Specification: Material: Carbon Fiber and Aluminum Diameter: 60mm / 2.4inch Length: 12inch / 305mm Package includes: 1 Piece Underwater Camera Float Arm (Others not included) Note: Please allow slight error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding and attention, I wish you a pleasant shopping experience!