5mW 650nm Red Laser - Adjustable Cross - Crosshair Laser - BC Robotics
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650nm red line laser module,Industrial Laser Group Module adjustable focal length line cross point (line-4pack) - - Amazon.com
650nm 5mw Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode Head Industrial Class - Woodworking Machinery Parts - AliExpress
Laser Level, HYCHIKA 50 Feet Cross Line Laser with Dual Modules, Self Leveling Laser Level, Switchable Self-Leveling Vertical and Horizontal Line Construction Picture Hanging, Battery Included - - Amazon.com