Features: Heavy Duty Self-Defenses Steel Ruler: This multi-function self-defenses steel ruler is designed for maximum durability and safety. Material: Made from quality steel, offering the ideal balance between portability and strength. Not just for measuring, but also a sturdy self-defenses tool. Multifunctional: It is heavy enough to serve as a reliable self-defenses tool while still being easy to carry in your vehicle or keep at home. Each Ruler are Hand-made, offering the ideal balance between Durability and Strength. The thickened steel construction ensures you have the necessary protection when you need it most, whether you're in your car or out and about. Whether you are in need of a sturdy ruler or an effective self-defenses tool, this thickened steel ruler is a must-have for your car or home safety kit. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Stainless steel Specifications: 5.0mm, 3.0mm Size: 5.3x2.8cm Package List: 1x Ruler