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Mustad Circle Hooks - Demon Ultrapoint

Mustad Circle Hooks - Demon Ultrapoint

Regular price $4.69 USD
Regular price Sale price $4.69 USD
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Mustad Demon Circle Hooks - Ultrapoint

The Mustad Demon Circle Hook 39951 is a chemically sharpened circle hook endorsed by The Billfish Foundation. The Ultrapoint technology produces a sharper point than mechanical sharpening alone. Nor-Tempered construction provides the strongest hook possible at this wire gauge. The electroplated finish resists saltwater corrosion for extended durability. Two sizes in 5-hook packs cover bottom fishing, drifting, and general bait fishing applications where circle hooks improve catch and release outcomes.
  • Chemically sharpened Ultrapoint
  • Nor-Tempered for strength
  • Billfish Foundation endorsed
  • Electroplated corrosion finish
  • 7/0, 8/0 in 5 packs

Read our circle hook guide for technique and regulations

Endorsed for Catch and Release

The Billfish Foundation specifically endorses the Mustad Demon Circle Hook. That endorsement matters because circle hooks are required in many fisheries precisely for their catch-and-release benefits. The jaw-corner hookset that circle hooks produce makes releasing fish fast and safe.

The Ultrapoint chemical sharpening is measurably sharper than mechanically ground points. The point penetrates on its own as the fish turns away with the bait. Nor-Tempering adds strength that the standard wire gauge does not suggest. At $4.69 for a 5-pack, these hooks deliver tournament-grade performance at an everyday price.

Ultrapoint Chemical Sharpening

Chemical sharpening etches the point to a finer edge than mechanical grinding can achieve. The result is a point that penetrates tissue with less force, improving hookup rates on circle hook presentations where the angler does not set the hook with a traditional strike.

Nor-Tempered Construction

Mustad's Nor-Tempering process produces the strongest possible hook at any given wire gauge. The tempered steel handles heavier loads without flexing, allowing lighter wire to handle bigger fish than its diameter suggests.

Billfish Foundation Endorsed

The Billfish Foundation endorses this hook for catch-and-release fishing. The circle design consistently hooks fish in the jaw corner, avoiding gut-hooking and making release fast and safe. Use this hook in fisheries that require or encourage circle hooks.

How to Fish Mustad Demon Circle Hooks

1. Select size: 7/0 for medium baits, 8/0 for larger baits

2. Tie or snell the hook to your leader

3. Thread your bait onto the hook with the point exposed

4. Lower to the bottom or deploy on a drift rig

5. When a fish bites, reel tight without striking

6. The circle point rotates to the jaw corner as the fish turns away

Specs & Common Questions

Everything you need to know before you buy

Full Specifications +
Brand Mustad
Model 39951 Demon
Type Circle Hook
Point Ultrapoint (Chemically Sharpened)
Construction Nor-Tempered
Finish Electroplated
Sizes 7/0, 8/0
Quantity 5 per pack
Price $4.69
Is this the same as the Demon Wide Gap? +
No. The 39951 Demon is a standard-gap circle hook for bottom fishing and general use. The Demon Wide Gap 39948NP has a wider gap, inline design, and comes in more sizes. Different hooks for different applications. Our circle hook guide covers both.
Is this tournament legal? +
Check your specific tournament rules. This is a circle hook, but offset vs inline requirements vary by tournament. For strict inline requirements, see the Gamakatsu Inline Circle. Our circle hook guide covers regulations.
What does Ultrapoint mean? +
Ultrapoint is Mustad's chemically sharpened point technology. Chemical sharpening etches the point to a finer edge than mechanical grinding alone. The result is faster penetration with less force. Our hook guide covers point technologies.
What species? +
Snapper, grouper, cobia, and other bottom and near-bottom species. The circle design reduces gut-hooking for better catch-and-release outcomes. Our bottom fishing guide covers circle hook applications by species.
Why endorsed by The Billfish Foundation? +
The Billfish Foundation promotes circle hooks because they consistently hook fish in the jaw corner, reducing mortality in catch-and-release fishing. This specific Mustad model meets their performance standards. Our circle hook guide explains the conservation benefits.
How does this compare to Gamakatsu circle hooks? +
The Mustad Demon uses chemically sharpened Ultrapoint technology. The Gamakatsu Octopus Circle uses Gamakatsu's standard sharpening. Both are quality circle hooks at similar price points. Choose based on brand preference and specific model features. Our hook guide covers brand comparisons.