Jack Brass Knuckle Duster - Grapple
Jack Brass Knuckle Duster - Grapple
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Jack Brass Knuckle Duster – Grapple & Protective Gear
The Jack brass knuckle duster is a hard, solid self-defense and grapple tool cast from brass. Measuring about 119 × 75 × 14 mm with a 23 mm finger hole, it offers a secure, confident grip for martial-arts training, protective use, and everyday carry.
Material & Craftsmanship
Cast from solid brass with a hardened, polished body. Brass gives the piece a naturally dense, durable construction and a classic metallic look; small casting or polishing marks are normal for solid-metal products and do not affect performance.
Specifications
| Material | Brass (solid) |
| Size | ~119 × 75 × 14 mm |
| Finger Hole | 23 mm |
| Use | Grapple / self-defense / EDC |
Frequently Asked Questions
What material is this? Solid brass with a hardened, polished finish.
How big is it? About 119 × 75 × 14 mm with a 23 mm finger hole.
Is it good for grappling? Yes — the four-finger design and solid brass body provide a firm, controlled grip.
Is it suitable for EDC? Yes — compact and weighted for everyday carry and protective use.
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