The Dremel 4000 is far superior to the 3000 for one major reason. I take them both apart to show you why.
Tools in this video:
Dremel 4000 - https://amzn.to/3dR7V04
Dremel 3000 - https://amzn.to/37RqL3g
Foredom Flex Shaft Rotary Tool - https://amzn.to/2O8ZIJK
Makify2 - http://www.youtube.com/c/Makify2
Twitter - http://twitter.com/Makify1
Website - http://Makify.com