Sunline 63031772 Fluorocarbon Line
- Fluorocarbon Line
- 10 lb
- 600 feet
- Fluorocarbon
A straightforward 10 lb clear fluorocarbon refill spool for anglers who want lower visibility and a sinking line in clear water.
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How it ranks among the 55 fluorocarbon lines we track
4.6★ across 328 Amazon ratings, Bayesian-smoothed toward the category average.
328 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 55 fluorocarbon lines we track - how the scorecard works · full fluorocarbon lines data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Sunline 63031772 is a bulk spool of clear fluorocarbon fishing line at 10 lb test, running 200 yards (600 feet). It suits anglers who want a low-visibility line to spool a reel or refill line already on a rod.
Fluorocarbon lines are denser than monofilament, so they sink rather than float, which helps keep lures and baits down in the strike zone. This spool is sold at a single 10 lb line class with no other weights or color options bundled.
- 10 lb test, clear fluorocarbon
- 200 yards / 600 feet per spool
- Sinking line for subsurface presentations
- Single-color, single-weight spool
Who it's for
Suits anglers who fish clear or pressured water and want reduced line visibility, plus anyone who needs a straightforward 10 lb refill spool. Not the pick for anglers who want a lighter or heavier test on one spool.
Strengths and trade-offs
Drawn from this product's published specifications.
- Clear, low-visibility fluorocarbon
- Sinks for bottom-hugging presentations
- 200 yard spool covers multiple respools
- Only one line weight (10 lb) offered
- No knot strength or diameter figures listed
- No included leader or backing
Performance notes
Fluorocarbon's refractive index is close to water, which is why it is marketed as harder for fish to see underwater than mono line of the same diameter. It also sinks, aiding presentations that need to stay near bottom rather than float on the surface.
Specifications
| Brand | SUNLINE |
|---|---|
| Model | 63031772 |
| Dimensions & fit | |
| Line Weight | 10 lb |
| Construction & materials | |
| Material | Fluorocarbon |
| Color | Clear |
| Included components | |
| Pieces | 600 feet |
| Other details | |
| Technique | Fluorocarbon |
| Special | Spool of fishing line |
Other SUNLINE fluorocarbon lines
How it compares
This product against the closest alternatives we track in fluorocarbon lines.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Sunline 63031772 Fluorocarbon LineThis product | 4.6 / 5 | 328 | 3.8 / 5 |
| Seaguar 20FC25 Fluorocarbon LineSeaguar | 4.7 / 5 | 8,500 | 4.5 / 5 |
| Berkley VPS8-15 Fluorocarbon LineBerkley | 4.6 / 5 | 6,718 | 4.4 / 5 |
| Yo-Zuri HD 30LB DP Fluorocarbon LineYO-Zuri | 4.7 / 5 | 1,100 | 4.2 / 5 |
| KastKing FBA_KK-FK Fluorocarbon LineKastKing | 4.5 / 5 | 7,500 | 4.2 / 5 |
Similar fluorocarbon lines from other brands
Questions about the SUNLINE 63031772
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What line weight is the Sunline 63031772 spool?
It is rated 10 lb test.
How much line is on the spool?
200 yards, listed as 600 feet total.
What color is the line?
Clear.