445nm strongest handheld focus adjustable blue laser pointer
PL-E mini 445nm 450nm Blue Laser
4W Industry Laser 445nm/447nm/450nm 4000mW Blue Laser Dot Module Diode NDB7A75 w/ TTL0-20kHz & Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific
445nm 1500mW Blue Diode Laser Coupled Optical Fiber Output
60W Laser Engraver Module 445nm Blue Laser Head for CNC Laser Engraving Machine | eBay
1000mW~1200mW 1W 450nm 445nm Blue Diode Laser Dot Module w/Driver Out CNC Engraving/TTL: Amazon.com: Industrial & Scientific
250nm to 520nm Laser Shielding | J Tech Photonics, Inc.
VEVOR Vevor Laser Module 5.5w,cnc Laser Module 445nm 12v Laser Wavelength Laser Head | VEVOR EU