ITEM NAME:Carbon Fiber Float Buoyancy Aquatic Arm Dual Ball Floating Arm Diving CameraO1I5 Carbon Fiber Float Buoyancy Aquatic Arm Dual Ball Floating Arm Diving CameraO1I5 Compatible Action Camera Brand: GoPro durable to use. Super light 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. Ideal for shooting water-activities photos, or diving under water 100 meters. Item Name: Camera Underwater Float Arm Features: Durable, Easy to Install, Waterproof, Camera Supplies colour:Blue + black Material:Aluminum alloy + carbon fiber size:Diameter: 60mm Length: 5 inches Package Contents: 1* buoyancy arm.This float arm is both for macro and wide-angle photography. Material:Aluminum alloy + carbon fiber. Super light with double ball design, can keep the arm buoyant. colour:Blue + black.