Proxxon Industrial Bit set Metric 1/2 (12.5 mm) 29-piece 23000

The 29 piece socket set has 1/2'' (12.5mm) square drive and 34mm socket (M 22 according to the new ISO standard). It includes deep sockets for protruding bolts, plus 16 and 21mm spark plug sockets.

Price: £ 77.99 from Conrad Electronic