This is the Rob Allen TX Foam Filled Floatline for Spearfishing - ALL LENGTHS Rob Allen Foam Filled 3/8 Polypropylene Floatline - available in Red/Orange combo or Orange. Rugged line, very strong, just enough positively bouyant 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 20ft to 120ft.