Lidl hex/star key sets - £9.99
 

These are great value and fantastic for quickly getting easy hex/star bolts undone.

http://www.lidl.co.uk/cps/rde/xchg//...fferdate=&ar2=

The set I bought a few years ago, also has the security torx capability in the stubby side of the handle (wish I'd realised before buying a security torx bit set from Halfrauds!).