These packs of 2 Powerfix multi-purpose spanners will be in Lidl for £7.99 from Thursday 15/08/13, seems great value.
Product Information :-
Made from hardened carbon steel
Automatically adjusts to screw heads
Practical one-hand operation, ideal for hard-to-reach areas
Size (mm): small 10 - 19, Large 13 - 24
2 year manufacturer's warranty