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This 100W Blue Laser Can Cut Metal Like Butter! 🤯 The Most Powerful Handheld Laser Ever Built🤯 This handheld 100W blue laser, often called a “laser blade” or “laser igniter”, uses a 445nm diode beam capable of melting, cutting, or igniting materials like metal, cardboard, and even blades. Built with a silver aluminum body for heat dissipation, it’s battery-powered and dangerously powerful — Class 4 laser levels that can cause instant eye injury or fire. Seen trending on ViralRush ⚡, this is a