Various depth, density of buoyancy materials, can be provided in standard block or customized shape, suitable for all kinds of ROVAUV submarine standard cables and sea pipes. Deep-water buoyancy lines provide low-drag distributed buoyancy for a variety of seaborne, commercial, military and marine applications. Available in two connections and sized to fit any cable, these floats are some of the general-purpose buoyancy products with operational depths of up to 6,000 meters.