Devoted to hardware, servers, networks, connectivity, fiber, routers, switches, etc.

Carry a spanner in your wallet with this nifty device. The Wallet Spanner is made from stainless steel that measures just 1.2mm thin! It shares roughly the same dimensions as a credit card, coming in handy whenever you require performing some on-the-fly home improvement task. The Wallet Spanner is able to handle different sizes, ranging from M6 to M14. Its small and extremely portable size would make a great addition to any wallet. You can pick one up today for £7.99. Check out the source page, as there are links to many other handy wallet-sized gadgets that will prove to be a boon to the Mr. Fix It in your house.
 
Pros : Portable spanner comes in handy during unexpected moments
Cons : None

Wallet Spanner Source