The Diameter is 60mm Buoyancy Aquatic Arm, Length 5 inch / 8 inch / 10 inch / 12 inch optional;

Description:
This arm is made out of CARBON FIBER which makes it super light for travel and very slick looking as well. The floating arm is typically used in scuba diving, to increase the buoyancy if you are carrying heavy gear. By attaching this arm to underwater photography equipment you can more easily manipulate your underwater housing and effortlessly take some magnificent photos and videos.
The diver can choose the right buoyancy arms to reduce the diving equipment weight underwater, and add other diving accessories on the buoyant arm's ball.

Specifications:
Made of high-quality carbon fiber and aluminum material, durable to use.
Super light carbon fiber with a 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 photograph water-activities photos, or diving underwater 100 meters.

Size:
Arm Diameter: 6cm/2.36", Length: 12.7cm/5", Ball Diameter: 2.5cm/0.98" (Approx.) , about 100g Buoyancy
Arm Diameter: 6cm/2.36", Length: 20.32cm/8", Ball Diameter: 2.5cm/0.98" (Approx.) , about 300g Buoyancy
Arm Diameter: 6cm/2.36", Length: 25.4cm/10", Ball Diameter: 2.5cm/0.98" (Approx.) , about 450g Buoyancy
Arm Diameter: 6cm/2.36", Length: 30.48cm/12", Ball Diameter: 2.5cm/0.98" (Approx.) ,about 550g Buoyancy

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow a slight dimension difference due to different manual measurements.

Package Includes:
1 x Camera Underwater Float Arm (Other devices are Not Included)