Material: catalpa alloy Firm Grip: This self-defence tool is designed to be worn on the fingers, providing a firm and comfortable grip for quick use in an emergency. Multi-functional protection: With its four-finger design, you can effectively defend yourself against potential threats while keeping your hands free. Sturdy Zinc Alloy: Made of sturdy zinc alloy, this tool is impact resistant and provides a reliable means of defence. Compact and Portable: The included pouch allows you to carry the self-defence tool discreetly and conveniently anywhere you go. SENSE OF PEACE OF MIND: Whether you are walking alone at night or in unfamiliar environments, the ready availability of this self-defence tool will give you a sense of security and self-confidence. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.