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Butterfly Knife – 4-Inch Straight-Back Blade, Stainless Steel Handle with Tactical Cutouts, Latch Safety, 9-Inch Overall, Black, Plasma, or Steel

SKU: ST-BK
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Original price was: $35.80.Current price is: $30.43.

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A clean, well-balanced butterfly knife without the trench-knife extras. Straight-back blade at 4 inches, stainless steel handles with tactical cutouts for lighter weight and better flipping, and a latch to lock it closed when you're done. Available in black, plasma, and bare stainless steel. If you want a classic butterfly design that flips smooth, this is your knife.
  • 4-inch straight-back stainless steel blade — clean, classic profile
  • Tactical cutouts in the handles reduce weight and improve flipping balance
  • Smooth stainless steel handle finish for comfortable manipulation
  • Latch safety locks the handles when closed
  • 9 inches overall — available in black, plasma, and stainless steel

A Classic Butterfly That Flips the Way It Should

Here’s the deal — if you want a butterfly knife that’s built for actual flipping, you want something balanced, not something loaded down with extra hardware. This one keeps it simple. Stainless steel blade and handles, tactical cutouts that shed weight where it matters, and a smooth surface that lets the handles rotate freely in your hand. No knuckle guard, no serration — just a clean butterfly knife that does what butterfly knives are supposed to do.

Who This Knife Is For

This is the butterfly knife for someone who wants to flip. You’ve watched the videos, you’ve practiced the basic open, and now you want a metal knife that has the weight and balance to develop your skills. It’s also for collectors who want a clean butterfly design without the bulk of the trench knife model. The three finish options — black, plasma, and bare stainless — give you choices depending on whether you want understated, flashy, or classic.

Is This the Right Choice for You?

Choose this butterfly knife if you want:

  • A well-balanced butterfly designed for smooth flipping
  • A classic profile without knuckle guards or heavy extras
  • Three finish options from understated to eye-catching

Consider something else if you need:

  • A heavier trench-style butterfly with a knuckle guard (check the Butterfly Trench Knife)
  • A practice trainer — this is a live blade, not a training tool

Built for Balance

The tactical cutouts in the handles aren’t just decorative. They remove weight from specific points to improve the knife’s balance during manipulation. A well-balanced butterfly knife rotates more predictably, which makes tricks easier to learn and more consistent to execute. The smooth handle surface lets the steel glide through your fingers without catching on texture or rough spots.

The straight-back blade has a classic profile that’s tapered and angled upward for effective cutting. At 4 inches, it’s a capable blade — long enough for utility tasks and well-proportioned for the 9-inch overall length. The latch safety secures the handles together when closed, keeping the blade contained during carry or storage.

Quick Comparison: How Does a Self-Defense Knife Stack Up?

Feature Self-Defense Knife Pepper Spray Stun Gun Personal Alarm
Everyday Utility Cutting tool + defense ✓ Defense only Defense + flashlight Defense only
Range Arm’s reach 8-12 feet ✓ Contact only Audible range
No Batteries/Refills Always ready ✓ Expires Needs charging Needs batteries
Legal Carry Varies by state/blade length Most states ✓ Most states ✓ Legal everywhere ✓
Best For Utility + last-resort defense Distance defense Close encounters Drawing attention

Practical Details

Blade length is 4 inches. Overall length is 9 inches when open. Stainless steel construction throughout. Available in black, plasma (iridescent multi-tone finish), and bare stainless steel. The handles feature a lightweight design with cutouts for better weight distribution. Butterfly knives are heavily regulated in many jurisdictions — check your state and local laws carefully before purchasing, as they may be restricted or prohibited in your area.

Clean design, smooth action, proper balance — pick your finish and start flipping.

Frequently Asked Questions

How does this compare to the Butterfly Trench Knife?

The Trench Knife is heavier, has a 5-inch serrated blade, and includes a removable knuckle guard. This standard butterfly is lighter, has a 4-inch straight-back blade, and is designed for smoother flipping. If you want to flip, get this one. If you want a heavy-duty collector piece, get the trench.

Is this good for learning butterfly tricks?

It’s better than the trench model for flipping because it’s lighter and more balanced. But it’s a live blade — if you’re brand new to butterfly knives, consider practicing the basic motions with a trainer first, then graduate to this once you’re comfortable with the mechanics.

What does the plasma finish look like?

Plasma is an iridescent, multi-tone metallic finish that shifts between purples, blues, and golds depending on the light and angle. It’s the most visually striking of the three options. Check the product images for the best representation.

Type of KnifeButterfly
Overall Length9 inches
Blade Length4 inches
Handle MaterialStainless Steel
SafetyLatch

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