Magnetic Helping Hands Soldering Third Hand Extra Heavy Duty Base Desktop Support for Max 1.37″ in Diameter USB Digital Microscope Endoscope Magnifier Loupe Camera Repairing Solder Station (Amazon Affiliate)
US: https://amzn.to/3UGNdT1
This will work with many USB digital microscopes but this is the one I used in the video:
Bysameyee USB Digital Microscope 40X to 1000X, 8 LED Magnification Endoscope Camera with Carrying Case & Metal Stand, Compatible for Android Windows 7 8 10 11 Linux Mac (Amazon Affiliate)
US: https://amzn.to/3fOJPqk