Quarton Laser Module VLM-635-58 LPO-D110-F10 Red Crosshair Laser Module Fan Angle 110° Uniform Line, Class I Laser, Less Than 0.39mW (Focus: 10cm): Amazon.com: Industrial & Scientific
ProCutCNC LASER CROSSHAIR – procutcnc.com
A/C 1/4″ Shank – Crosshair | Laser Center/Edge Finder
660nm 50mW Circular+Crosshair Laser Module Red Laser Aimer/Locator