Firehole Sticks™ 637
36 hooks per pack
26¢ per hook
A short, heavy subsurface hook. The compact bend is built for egg patterns, and the wire holds up to everything else you will put on it.
At a Glance
- Pack: 36 hooks
- Shape: Nymph, wet, and egg
- Wire: Heavy
- Gap: 2XG
- Length: 1XS
- Eye: Down
- Finish: Black nickel
- Point: Chemically sharpened, barbless
Ties Well As
- Eggs
- Nymphs
- Wet flies
- Caddis larvae
- Attractor patterns
From the Bench
A short shank under a round body is what keeps an egg looking like an egg. Heavy wire means there is still room for a bead.
Barbless by Design
Every Firehole Sticks hook is barbless. Cleaner release, less handling, fish back in the water faster.
Hook Dimensions
| Size | Wire Ø (mm) | Length (mm) | Gap (mm) |
|---|---|---|---|
| #4 | 1 | 21.2 | 12 |
| #6 | 0.92 | 19.4 | 11 |
| #8 | 0.8 | 17.6 | 10 |
| #10 | 0.8 | 15.8 | 9 |
| #12 | 0.75 | 14 | 8 |
| #14 | 0.7 | 12.5 | 7.2 |
| #16 | 0.6 | 11.1 | 6.3 |
| #18 | 0.55 | 9.9 | 5.7 |
| #20 | 0.5 | 9.1 | 5.2 |
| #22 | 0.48 | 8.2 | 4.7 |
Coming From Another Hook?
The 637 is a heavy, short-shank nymph and egg hook. There is no single industry hook we would point you to as a match — size it by the dimensions above.
Popular Patterns on the 637
San Juan Worm · Squirmy Wormy · Egg / Glo Bug · Sucker Spawn · Y2K · Mop Fly
When you need to trust your hook on a good fish, trust Firehole Sticks™.
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