HERCULES MGX03 Fly Tying Materials
- Fly Tying Material
- 6 lb
- 12
- Nylon
A 12 color, 12 spool nylon tying thread set at 100 yards each, offered in 6 and 14 weight, useful for stocking a fly tying bench in one order.
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How it ranks among the 67 fly tying materials we track
4.1★ across 266 Amazon ratings, Bayesian-smoothed toward the category average.
266 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 67 fly tying materials we track - how the scorecard works · full fly tying materials data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
HERCULES MGX03 is a fly tying thread set: nylon thread in 12 colors, 100 yards per spool, sold as a 12 piece set spanning two line weights, 6 and 14.
Fly tiers typically keep several thread weights on hand, using finer thread for small dry flies and heavier thread for bulkier streamers or bass bugs. This set covers two weights across a 12 color spread rather than a single spool.
- 12 piece, 12 color set
- Nylon material
- 100 yards per spool
- Line weights 6 and 14
Who it's for
Fly tiers who want a starter or restocking set of colored nylon tying thread across a couple of weights, rather than buying single spools one at a time.
Strengths and trade-offs
Drawn from this product's published specifications.
- 12 colors in one set
- Two thread weights, 6 and 14, included
- 100 yards per spool
- Nylon rather than gel spun thread, which some tiers prefer for durability
Performance notes
Nylon tying thread is chosen for its strength-to-diameter ratio and the way it lies flat when wrapped, which matters for building even fly bodies. Two line weights in the set let a tier switch between finer patterns and bulkier ties without a separate order.
Specifications
| Brand | HERCULES |
|---|---|
| Model | MGX03 |
| Line Weight | 6 lb |
| Pieces | 12 |
| Material | Nylon |
| Color | 12 Colors |
How it compares
This product against the closest alternatives we track in fly tying materials.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| HERCULES MGX03 Fly Tying MaterialsThis product | 4.1 / 5 | 266 | 3.5 / 5 |
| Fly Tying Materials 12 Colors Krystal Flash Ripple Flashabou FliesFly | 4.7 / 5 | 793 | 4.2 / 5 |
| 10 unknown Fly Tying Materials10 | 4.7 / 5 | 644 | 4.1 / 5 |
| Solarez 75813 Fly Tying MaterialsSolarez | 4.7 / 5 | 486 | 4.1 / 5 |
| XFISHMAN Fly-Tying-Thread-Kit-6/0-3/0 Fly Tying Supplies Fly Fishing Materials AccessoriesXFISHMAN | 4.5 / 5 | 421 | 4.0 / 5 |
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Questions about the HERCULES MGX03
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How many spools come in the HERCULES MGX03 set?
12 spools, one per color.
What material is the HERCULES tying thread?
Nylon, per the listing.
What thread weights are included?
The listing specifies 6 and 14 weight.