Hi Seas Grand Slam Monofilament Leader is a smart choice if you are serious about fishing. Designed to be extra tough, this leader has a test strength of 50 lb, so it can haul up fish at that capacity or below without a problem. This 50 yd spool of monofilament wire is clear-colored and offers optimal sensitivity and control while you’re out on the prowl. It’s also abrasion resistant and has high knot strength, which allows it to stand up to heavy use without breaking down.