450nm 80mw Blue Dot Focusable Laser Diode Module driver 3-5V 12x35mm | Being Patient
High Power 450nm 1500MW Line Laser Diode Module - China Blue Laser Module, Blue Line Laser Module | Made-in-China.com
1500mw High Power Laser Module 445/450nm 1.5W Blue Diode Dot Laser 12V/Adapter & 22x90mm: Amazon.com: Industrial & Scientific
Akozon Engraving Machine Laser Head Laser Diode for NEJE 1500mW Laser Engraving Machine Accessories Blue and Purple Light Adjustable Focus Mini - Walmart.com
Amazon.com: Qiilu 1pc Laser Diode Head Engraving Emitter Blue-Violet Light for NEJE 1500mW Engraver Only : Arts, Crafts & Sewing