Opsin Fluorocarbon Leader – 4 lb (0.16 mm) | 100 yd

Built for crystal-clear streams, ultralight trout rigs, and pressured panfish water when lighter is the whole point. Maximum stealth and finesse when cautious fish inspect everything.

Why It Gets Bit:

• Ultra-fine at 0.16 mm — the smallest diameter in the lineup means the cleanest possible presentation in clear water, keeping cautious fish from seeing anything that doesn't belong.
• Supple enough for micro-jigs, small plastics, and natural drifts — low memory lets the leader stay out of the way instead of working against it — baits move the way they're supposed to.
• Seats light-line knots clean — improved clinch and uni knots cinch without the micro-diameter pulling loose, so the connection holds even when a better fish shows up.
• Enough abrasion resistance for rocks, timber, and current seams — fluorocarbon holds its integrity where monofilament would nick and fail at true finesse size.

Best Uses:

• Trout streams and small clearwater rivers — pressured fish in crystal-clear water where lighter is the whole point
• Panfish, crappie, and ultralight finesse setups — anywhere natural drift and stealthy presentation matter
• Any high-visibility freshwater bite — where heavier leader costs bites before the drift ends

Specifications:

• Test: 4 lb
• Diameter: 0.16 mm
• Length: 100 yd
• Material: 100% Fluorocarbon (PVDF)
• Origin: Slow-extruded in Japan
• Spool: Built-in line holder + magnetic core for clean storage between rigs