BGNing Carbon Fiber Float Buoyancy Aquatic Arm Dual Ball Floating Arm 5inch /8inch /10inch /12inch Extend Bracket D60MM DSLR SLR Camera Underwater Diving TrayWith 1inch Ball Clip Mounting Adapters for Gopro Hero/yi/EKEN Sports Cameras for DJI OSMO Action for Smartphones Diving Photography Extension Acceories Supportcustom logo, check carefully with the logo size, and we can only print in white color, MOQ is 10pcs,we will just ship items with no logo if the quantity is below 10pcs. Many options, please choose carefully with the size or colors you want. We also have many other colors and sizes, and can be customized. Contact me freelyif you have any requests. Specifications: Made of high quality carbon fiber and aluminum material, durable to use. Super light carbon fiber with double ball design, can keep the arm buoyant. This float arm is both for macro and wide-angle photography. Lightweight, highly durable double ball design. Item Name: Camera Float Arm Material: Aluminum Alloy, Carbon Fiber Features: Durable, Easy to Install, Waterproof, Camera Supplies Application: Suitable for diving photography, single and double hand-held brackets, suitable for micro-single, SLR camera waterproof case, including Canon, Sony, Nikon, Panasonic, Olympus, etc. Also can be suit for sports Action video cameras and smartphones. Size: Arm Diameter: 6cm/2.36", Length: 12.7cm/5", Ball Diameter: 2.5cm/0.98" (Approx.) , 108g Buoyancy Arm Diameter: 6cm/2.36", Length: 20.32cm/8", Ball Diameter: 2.5cm/0.98" (Approx.) , 312g Buoyancy Arm Diameter: 6cm/2.36", Length: 25.4cm/10", Ball Diameter: 2.5cm/0.98" (Approx.) , 447g Buoyancy Arm Diameter: 6cm/2.36", Length: 30.48cm/12", Ball Diameter: 2.5cm/0.98" (Approx.) , 584g Buoyancy Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. The color of the aluminum alloy parts will be changed by factory, but the Quality is same, please take it into account before ordering. Thanks for understanding.