HERCULES MGX03 Fly Tying Materials Review
Our verdict
The HERCULES MGX03 set delivers 12 spools of 100-yard nylon thread in 12 colors for $18.99, backed by a 4.1-star rating across 266 reviews. It falls short of Hareline NB377's 4.2-star, 550-review track record, but offers far more color variety in a single purchase.
Check price on AmazonBest for
Tiers who want a full color range, 12 spools at 100 yards each, in one order rather than buying single-color thread spools separately for every pattern they tie.
Skip if
Skip this if you only tie flies in one or two thread colors regularly, since paying for 12 colors at once costs more per spool than buying just the shades you use.
- Material Nylon
- Line Weight 6, 14
- Size 100 yards
- Color 12 Colors
- Pieces 12
- Priced 90% above the category median ($9.99 across 67 tracked models)
Our scorecard
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Owner rating4.1/5
4.1 average across 266 owner ratings
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Popularity2.8/5
266 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other fishing gear and tackle we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
Building a fly box that spans multiple patterns usually means keeping several thread colors on hand, and the HERCULES MGX03 set answers that with 12 spools of 100-yard nylon thread in 12 colors for $18.99. Line weight is listed at 6 and 14, giving tiers a lighter and heavier option depending on hook size and pattern bulk.
Among the fly-tying materials tracked here, HERCULES's 4.1-star rating across 266 reviews sits in the middle of the pack, above Hareline CDC28's 4.0 stars (359 reviews) but below Hareline Natural Elk Hair's 4.5 stars (110 reviews) and Hareline NB377's 4.2 stars (550 reviews). NB377 also shows 50+ units bought last month, while HERCULES's own figure reads 0+, meaning no recent purchase volume is logged for this listing.
At $18.99 for 12 colors, the per-spool cost works out lower than buying a dozen single-color nylon spools separately, assuming a tier actually uses most of the included shades. The two line weights, 6 and 14, cover both fine detail work and heavier bodies, though anglers who only tie in one thread weight may find the assortment more than they need.
Pros
- 12 spools of 100-yard nylon thread in 12 different colors for one $18.99 purchase
- Two line weights, 6 and 14, cover both fine and heavier tying jobs
- 4.1-star rating across 266 reviews, ahead of Hareline CDC28's 4.0 stars
- Nylon construction suited to a wide range of fly patterns
- 266-review sample is a reasonably large base to judge consistency
Cons
- 4.1-star rating trails Hareline NB377's 4.2 stars and Natural Elk Hair's 4.5 stars
- Bought-last-month figure of 0+ shows no recent purchase activity logged
- 12-color assortment costs more upfront than buying only the shades you actually use
- 266 reviews is fewer than NB377's 550, a smaller sample for a thread comparison
Specifications
| Material | Nylon |
|---|---|
| Line Weight | 6, 14 |
| Size | 100 yards |
| Color | 12 Colors |
| Pieces | 12 |
Performance notes
The two line weights listed, 6 and 14, point to a lighter thread for fine detail work like small dry flies and a heavier option for bulkier streamers or bass patterns, letting one set cover more of the fly box than a single-weight spool would. Each of the 12 spools runs 100 yards, enough length for dozens of flies per color before running out, which matters for a tier who commits to a shade for a whole season of one pattern. Nylon as a base material holds a consistent diameter and takes wraps evenly, a common choice for general tying thread rather than a specialty fiber. Because the set spreads its cost across 12 colors rather than concentrating it in one or two, the value depends heavily on whether a tier's pattern list actually calls for that much color range.
What buyers say
A 4.1-star average across 266 reviews places HERCULES in the middle of this four-product comparison, ahead of Hareline CDC28's 4.0 stars but behind both Hareline NB377's 4.2 stars and Natural Elk Hair's 4.5 stars. The bought-last-month figure of 0+ suggests no current surge in orders, a contrast to NB377's 50+ despite that product's lower per-review score. With 266 reviews behind it, the rating carries more weight than a small sample would, though it sits below the top performers in this set, suggesting a decent but not standout track record for a multi-color thread kit.
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Frequently asked questions
How many colors and spools come in the HERCULES MGX03 set?
The set includes 12 spools of nylon thread, each in a different color, at 100 yards per spool. It sells for $18.99 and carries a 4.1-star rating across 266 reviews, with a bought-last-month figure of 0+ logged on the listing.
What do the two line weights mean?
The listing shows line weights of 6 and 14, indicating two thread thicknesses within the set, a lighter option for fine detail work on small flies and a heavier one for bulkier fly bodies or bass patterns that need a stronger wrap.
How does this compare to other tying thread options?
At 4.1 stars across 266 reviews, HERCULES rates above Hareline CDC28 (4.0 stars, 359 reviews) but below Hareline NB377 (4.2 stars, 550 reviews) and Natural Elk Hair (4.5 stars, 110 reviews), placing it in the middle of this comparison set on rating.