Description: brand new and high quality Feature: Made of high quality carbon fiber and aluminum material, durable to use. Both sides are 1-inch ball for head, with anti-skid rubber ring, with ball clamp to achieve angle adjustment at will. There are multiple length specifications between the rubber rings. You can choose the corresponding extension arm according to your own needs. With the design of aluminum alloy and carbon fiber, it is not only light in weight, but also can pray for the function of buoyancy rod when diving, so as to reduce the pressure of hands. Three kinds of color selection, you can choose according to your own preferences. 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. for Ideal for shooting water-activities photos, or diving under water. Camera Underwater Float Arm only, other accessories demo in the picture is not included! Specifications: Item Type: Camera Underwater Float Arm Material: Metal Size: Diameter: 20.8mm/0.81in Size: 5inch: 127mm/5in, 6inch: 152mm/5.9in, 7inch: 177.8mm/7in, 8inch: 203.2mm/8inch, 9inch: 228.6mm/9in, 10inch: 254mm/10in, 11inch: 279.4mm/11in, 12inch: 304.8mm/12in(Optional) Color: Black, Blue, Red(Optional) Surface treatment: Anodizing Scope of application: photography, outdoor diving photography Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Camera Underwater Float Arm