A Stun Gun You Wear Like a Fist
Most stun guns you hold like a remote control and press against someone. The Blast Knuckles are different — you grip them like you’re making a fist, and the electrodes are positioned right across the front of your knuckles. If someone grabs you and you swing, you’re not pressing a stun gun against them — you’re punching them with 950,000 volts. It’s a more natural, more aggressive defensive motion, and it works without fine motor skills that disappear under stress.
Who This Stun Gun Is For
People who want a stun gun that works with their instincts, not against them. Security personnel who might end up in close-quarters situations. Anyone who’s held a regular stun gun and thought “how am I supposed to aim this while someone’s attacking me?” The knuckle design means your defensive instinct — to push, punch, or shove — is exactly the motion that delivers the shock.
Is This the Right Choice for You?
Choose the Blast Knuckles if you want:
- A stun gun that works with natural punching and pushing movements
- Knuckle-mounted electrodes that make contact without precise aiming
- A holster-ready setup for security and professional use
Consider something else if you need:
- A more discreet stun device — the Hot Shot looks like a power bank
- Range beyond arm’s length — pepper spray gives you distance
How the Knuckle Design Works
Your hand slides through the grip opening and wraps around the handle. The two electrode contacts sit across the front face — right where your knuckles would be. Flip the safety switch with your thumb, and any contact with the front face delivers the charge. You don’t need to think about which end to press against someone. If your fist connects, the stun connects. Under adrenaline, that simplicity is everything.
At 950,000 volts and 5 milliamps, the charge causes involuntary muscle contractions, pain, and disorientation. A solid contact of 1-2 seconds is typically enough to give you time to disengage and get to safety. The rubberized coating ensures your hand doesn’t slip during the encounter.
Quick Comparison: How Does a Stun Gun Stack Up?
| Feature | Stun Gun | Pepper Spray | TASER | Personal Alarm |
|---|---|---|---|---|
| Stopping Power | Muscle override ✓ | Pain, temporary blindness ✓ | Full incapacitation ✓ | No physical effect |
| Range | Contact only | 8-12 feet ✓ | 15 feet ✓ | Audible range only |
| Rechargeable | Most models ✓ | No — expires | Yes ✓ | Battery powered |
| Price Point | Budget-friendly ✓ | Budget-friendly ✓ | Expensive | Budget-friendly ✓ |
| Best For | Close-range defense | Distance defense | Maximum stopping power | Drawing attention |
Practical Details
ABS plastic with rubberized coating, 4.4 by 1.13 by 3.25 inches. Weighs 0.8 pounds. Runs on 2 lithium CR123A batteries (not rechargeable). Safety switch prevents accidental discharge. Nylon holster included for belt carry. 2-year warranty from ZAP. Stun guns are restricted in some states and cities — check your local laws before purchasing. Where legal to own and carry.
Your fist plus 950,000 volts. The most instinctive stun gun design on the market.
Frequently Asked Questions
Will I feel the shock if I’m touching the attacker?
The electrical charge passes between the two contact points on the front face and into whatever’s touching them — not back through the device into your hand. The rubberized grip and ABS housing insulate you from the charge. You won’t feel the shock.
How long do the CR123A batteries last?
CR123A lithium batteries have excellent shelf life — up to 10 years in storage — and provide strong output. Active use depends on how many times you discharge the stun gun, but for defensive carry, the batteries will last a very long time. Keep spares on hand for peace of mind.
Can I use rechargeable batteries?
The device uses standard CR123A batteries, which are disposable lithium cells. Some rechargeable alternatives exist in that form factor, but check voltage compatibility. The manufacturer specifies CR123A lithium batteries for optimal performance and safety.







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