445nm, 3.5W HHL Multimode Laser Diode by Wavespectrum
Amazon.com: OXLasers 3.5W 450nm Focusable Blue Laser Module for DIY CNC Engraving Cutting Machine with PWM for CNC 3018 (3.5W) : Arts, Crafts & Sewing
15W/10W/7W/5.5W/3.5W/2.5W Laser Head Diode Laser Module 405nm to 450nm Wavelength for Laser Cutting Machine CNC DIY Laser Wood _ - AliExpress Mobile
450nm 3.5W Nichia NDB7A75 LD Powerful Blue Laser Diode TO5-9
5A High Current NDB7A75 3.5-4.5W 445nm Blue Laser Driver 12V Step-Down Constant Current Drive Circuit w/TTL: Amazon.com: Industrial & Scientific
3.5W Industry Laser 445nm/447nm/450nm 3500mW Blue Laser Dot Module Diode NDB7A75 w/ TTL0-20kHz & Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific