KNUCKLEDUSTER
Mini Bottle Opener Knuckle Duster
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Mini Bottle Opener Knuckle Duster – Self-Defense That Fits Your Keychain
Small enough to live on your keyring, tough enough to matter. This pocket-sized knuckle duster is milled from 7075 aviation-grade aluminum — strong yet featherlight at just 30 grams. It pulls triple duty as a self-defense tool, a bottle opener, and an emergency window breaker.
Three Tools in One
- Knuckle duster – Four-finger grip for a solid, controllable strike
- Bottle opener – Integrated cutout pops caps anywhere
- Window breaker – Hardened tip at the end shatters glass in emergencies
Specs
| Material | 7075 Aviation Aluminum |
| Size | 69 × 50 × 10 mm |
| Finger Hole Width | 23.5 mm |
| Weight | ≈ 30 g |
| Colors | Black / Gold |
Clip it to your keys and forget it's there until you need it. A discreet, legal-to-own everyday carry piece for personal protection and practical tasks alike.
Pair it with our full knuckle duster range or browse more EDC tools at Knuckleduster.
- We Ship Fast! Most orders ship within 48 Hours (excluding weekends & holidays)
- Free Standard Shipping on Orders Over £39
- £6 Flat-Rate Shipping on Orders Under £39
- Questions? Email support@knuckleduster.co.uk

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