Ultramax ULTRAMAX UXBF-2 HELIUM Variable BuoyFloat Arm, 0.75 lbs Buoyancy

Innovative design HELIUM VBA (Variable BuoyFloat Arm) System from ULTRAMAX allows you to create your BuoyFloat Arm's lifting force from 0.5-0.75 lbs (227-340g) using different modular segments to fit your underwater photographing and/or lighting equipment configurations.Precisely machined from solid aerospace grade Aluminum alloy with hard anodized finishing in attractive colors against corrosion and normal wear and tear. Standard 1" (2.54cm) ball mount on both end of segments are machined from solid aluminum blocks provide maximum strength. Dual O-Ring seals offer maximum leakage proof and depth rated to 500' (150m).