Amazon.com: Laser Module, LASER TREE 20W Optical Power Laser Engraving Module with Air Assist, Quad-Compression Spot, 80W Laser Head for Laser Engraver laser Cutter, DIY Engraving Wood & Metal, Better for Cutting
Source High quality 1550nm 20W TO18 laser diode on m.alibaba.com
20W 445nm Diode Laser Module (20W Input and 5.5W Optical Output) - ZENIX Store LLC
Comgrow 20-Watt Laser Module for Z1, xTool D1/D1 Pro and Ortur Laser Master 2/2 Pro/3 - Comgrow Official Store
20w 450nm Blue Light Laser Head Kit Accessory For Master Series Engraver Cutter Diy Mini Laser Diode Module - Buy Mini Diy Engraver Laser Module,Mini Laser Module,20w Laser Module Product on Alibaba.com