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Sufix

Sufix Elite Monofilament Fishing Line 4 lb

  • Line Weight: 4 lb
  • Size: 4 pounds
  • Length: 330 Yards
  • Technique: Monofilament

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A clear 4 lb monofilament spool built for light-tackle, finesse fishing rather than heavier freshwater or saltwater use.

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ASIN: B001NXC2SQModel: 661-104Category: Monofilament Fishing Lines

Overview

Sufix built the 661-104 as a light spool, 4 pound test monofilament running 330 yards in clear, weighing about 2.08 ounces on the spool.

At 4 lb test this spool sits toward the light end of monofilament lines, suited to finesse panfish or trout presentations rather than anything requiring heavier drag pressure. The clear color is meant to stay unobtrusive in open water, and the 330 yard length gives enough line for several refills on light spinning reels.

  • 4 lb test monofilament
  • 330 yard spool length
  • Clear color
  • About 2.08 ounces per spool

Who it's for

Anglers targeting panfish, trout, or other light-tackle species where a thin, clear 4 lb line matters more than raw strength. Not suited to anglers needing heavier pound test for larger fish or thicker cover.

Pros and cons

Pros
  • 4 lb test suited to finesse light-tackle fishing
  • Clear color for low visibility
  • 330 yard spool for multiple refills
Cons
  • Too light for larger fish or heavy cover
  • Mono stretches more than braid or fluorocarbon

Performance notes

Monofilament stretches under load, which helps absorb a hookset on light line and reduces the chance of pulling a hook free from a lightly hooked fish. As a single extruded strand rather than braided fibers, it also handles knots predictably, which matters more on light 4 lb line where knot strength has less margin.

Specifications

BrandSufix
Model661-104
Dimensions & fit
Line Weight4 lblower than 97% of 40 monofilament fishing lines
Size4 pounds
Length330 Yards
Item Weight0.13 pounds
Construction & materials
MaterialNylon
ColorClear
Included components
Pieces1
Other details
TechniqueMonofilament
Special330 Yards Fishing Line

Closest rivals on specs

Berkley Trilene XT Monofilament Line
  • Line Weight 4 vs 8 lb (-50%)
Berkley Trilene XL Monofilament Line
  • Line Weight 4 vs 8 lb (-50%)
Trout Magnet Trout S.O.S. Fishing Line 2 lb
  • Item Weight 0.13 vs 0.15 pounds (-13%)
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Frequently asked questions

What pound test is the Sufix 661-104?

4 pounds.

How long is the spool?

330 yards.

What color is the line?

Clear.