Amazon.com: Oxlasers 405nm 500mW Purple Module 12V Focusable High Power Blue Violet UV Light for DIY Engraving with PWM : Electronics
FEPshop UV Laser Pointer - 405nm - FEPshop - 3D Printers & More
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
50mw 405nm boxed Blue violet Laser pointer pen/ uv laser / purple laser with star cap + free shipping _ - AliExpress Mobile
UV Laser Light 405nm 1mw | Purple Laser Pens
405nm 100~1000mW Blue-violet Laser Diode Module Dot With TTL Modulation
High Power 405nm 200MW 250MW 300MW UV To5.6mm Laser Diode - China Laser Diode, 405nm 300MW Laser Diode | Made-in-China.com