Rob Allen Foam Filled 3/8″ Polypropylene Floatline tested to 1000lbs. Rugged line, very strong, just enough positively buoyant to help prevent line tangles when you attach your float line to your speargun. Comes standard with a clip on one end and a swivel on the other. Available in various lengths from 20′ to 120′. Perfect also for a marker line for lobster and abalone diving.