All our other accessories - marque generique - 3x 8 Inch Floating Arm Carbon Fiber With Double Ball Float Camera Float Highlights marque generique 3x 8 Inch Floating Arm Carbon Fiber With Double Ball Float Camera Float Description: Lightweight and heavy duty 1"" double ballwith non-slip rubber ring Made of high quality carbon fiber and aluminum material, durable to use. Super light carbon fiber with double ball design can keep the arm floating. This floating arm is for both macro and wide angle photography. Application: for taking photos of water activities or underwater diving. Specification: Item: Underwater Camera Float Arm Material: Aluminum Alloy, Carbon Fiber Features: Durable, Easy to Install, Waterproof, Camera Supplies Diameter: 20.8mm Length: 8 inch Package includes : 3 x camera float arm (others not included)