M390 Titanium Knuckle Duster MultiTool

• Made of TC4 Titanium Alloy Ring with M390 Steel Blade
• Upgraded Design with Detachable Blade and Tailbone, Wearable as a Pure Finger Ring
• Blade Material: M390 Steel, Vacuum Heat Treated, 61HRC Hardness
• Glass Bead Tip Made of Ceramic Ball, Durable and Practical
• Spindle Material: HSS High-Speed Steel
• Tritium Slot Size: 1.5 x 6mm, Supports Custom Tritium Installation
• Ring Sizes Available:

No.09 – Inner Diameter 18.9mm
No.10 – Inner Diameter 19.7mm
No.11 – Inner Diameter 20.6mm
No.12 – Inner Diameter 21.4mm
No.13 – Inner Diameter 22.2mm

• Titanium Color Options: Natural, Blue, Black
• Compact and Stylish Defense Mini Finger Ring Tiger, Lightweight and Functional