Key Features: Material: Made from high-performance TC21 Titanium Alloy Hardness: 51-55 HRC after vacuum heat treatment, ensuring strength and durability Design: Unique twisted blood groove for enhanced grip and piercing ability Emergency Use: Embedded zirconium ball at the end, designed for window breaking in emergencies Multi-Functional: Compact, lightweight, and perfect for self-defense and everyday carry ⚠️ Important NoticeThis product is manufactured and sold strictly as an industrial hardware accessory, decorative desktop paperweight, and collectible gear piece. Please review and ensure full compliance with your local laws and regulations regarding the carry and possession of solid metal pocket tools before finalizing your purchase. The buyer assumes all regional legal responsibilities.