oxlasers 405nm 500mW Blue Violet Laser Module for 3D Printer 12V Focusable DIY UV Laser Head for Engraving and Cut with TTL PWM|3D Printer Parts & Accessories| - AliExpress
Blue and purple-blue FLEXPOINT® 405 nm, 450 nm and 488 nm - FLEXPOINT® Dot and Line Lasers