Feature: Specification: The underwater buoyancy arm of 10in length and 6cm/2.3in diameter can reduce the weight of other equipment when enjoying diving photography, making your underwater travel experience more comfortable. Features: BUOYANCY ARM: Designed for diving photography, can mount underwater lights, increasing buoyancy and reducing load. MATERIAL: Premium carbon fiber is adopted, which features corrosion resistance, light weight and high strength. WORKMANSHIP: The balls at the two ends are finely processed with CNC technology, exquisite and of guaranteed quality. COLOR: Three different colors are available, to meet different personality needs, improving underwater identification. APPLICATION: Suitable for underwater photography, or water-activity photography. Making every shooting more easy. Specifications: Material: Carbon Fiber + Aluminum Alloy Color: Black / Blue / Red (optional) Arm Diameter: 6cm / 2.3in Ball Diameter: 2.5cm / 1in Length: 25.4cm / 10in Item Weight: 180g / 6.3oz Package Size: 26 * 6.5 * 6.5cm / 10.2 * 2.6 * 2.6in Package Weight: 190g / 6.7oz Package List: 1 * Buoyancy Arm Package List: 1 * Buoyancy Arm