Ohero 100% Fluorocarbon Leader 15 Lb 25 Yards Spool
Easy tying with superior abrasion resistance. Nearly invisible underwater to fish. A Velcro fastener lets you take the leader on and off the spool neatly.Refractive index is 1.42, and close to waters (1.33). Will not absorb waterSinks faster than monofilament. Highly specific gravity (1.78).Available in 25 yards, 50 yards, and 200 yards compact spool.