650nm 660nm Adjusted Red Laser Line Dot Cross Laser Diode Module 3V-5.5V 100mW Laser Dot/Line/Cross Module Focusable 13mmx42mm with US Power Adapter and Heatsink: Amazon.com: Industrial & Scientific
Original SLD3134VL 20mw 405nm 5.6mm Purple Blue Laser Diode TO-18 LD w PD - AliExpress
650nm 660nm Adjusted Red Laser Line Dot Cross Laser Diode Module 3V-5.5V 100mW Laser Dot/Line/Cross Module Focusable 13mmx42mm with US Power Adapter and Heatsink: Amazon.com: Industrial & Scientific
Genmitsu CFL55P Compressed Spot Laser Module with Air Assist Nozzle, 0.1mm*0.1mm Laser Spot, 5.5W FAC Laser Module for Genmitsu 3018-PRO & 3018-PROVer, 3018-PROVer V2, 3020-PRO MAX CNC Machines - Amazon.com