This Set of two high density foam buoyancy tubes is the medium sized set offered by Hyperion.

The measurements are as follows: outer diameter: 5.5cm, inner diameter: 2.5cm, length: 7cm. The buoyancy capacity of the medium float tubes measures 0.14kg each.

The medium float tube set comes with two cable ties and stopper rings so you can attach the tubes safely to your preferred camera system.