650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Woodworking Machinery Parts - AliExpress
Amazon.com: 15pcs 5V 650NM 5Mw Red Dot Laser Head Red Laser Diode Laser Tube 6mm with Leads Head (15 PCS) : Industrial & Scientific
Laser Diode - 5mW 650nm Red | Kiwi Electronics
Line Laser Diode - 5mW 650nm Red : ID 1057 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits