Electric file recommendations?

[Elaina87]

hi everyone! I was wondering if you could help me? I'm looking to by an electric file but I have no idea which ones are good and which ones aren't so good! Any help would be much appreciated!! Thanks

 

[asteropi]

make sure it's over 30.000 rpm
here's a good video about it

 

[Cindy2021]

I bought the Nsi budget drill which I thought was ok until I tried a Kupa! I love mine now and my client noticed the difference between them.