I came across this little eggbeater drill in my local hardware shop
yesterday. The shop is adjacent London's Hatton Garden (jewellery district)
and the drill cost just £5 sterling.

https://onedrive.live.com/redir?resid=D13D93511A1B11B6!7796&authkey=!AB
ylXjY_G3A7lmg&ithint=folder%2cjpg">https://onedrive.live.com/redir?resid=D13D935
11A1B11B6!7796&authkey=!ABylXjY_G3A7lmg&ithint=folder%2cjpg

best wishes,

Mike Lynd