Triple Fish Leader Clear 50yd 25 Lb. .50mm Dia. Saltwater Clear Wrist Spools The "Original" Saltwater Leader Clear Wrist Spool The number one selling saltwater leader in the world! High-quality German made Perlon Monofilament. The Perlon difference: Unlike nylon, which is weakened by being stretched, Perlon mono restores itself to near full strength after 400-500 machine cycle tests. "Original" user-friendly, self-dispensing Wrist Spool. Easy to use when rocking and rolling on the boat! Keeps both hands free for rigging. The "Original" Saltwater Leader is tested and proven under some of the toughest Worldwide conditions.