Clarke PRO162 Torx®Star and Security Socket Set 1700562

Set contains 29 chrome vanadium steel Torx® Star and security bit sockets, each with a 3/8" or 1/4" square drive for any equivalent square drive ratchet.
Full set contains many of the most commonly needed sizes of tamper-proof fastener sockets and Torx Star driver bits.
Each socket and bit is covered by Clarkes *Lifetime Tool Guarantee for that extra piece of mind.
Contents includes:
3/8" drive hex adaptor - 9 x 48mm long. 
3/8" drive tamper proof Torx Star bits (T10 to T55) - 8 x 25mm long.
Torx Star screwdiver bits (T8 to T40) - 7 x 25mm long.
1/4" drive Torx Star sockets (E4 to E11).
5 x 3/8" drive Torx Star sockets (E12 to E20).
*Lifetime guarantee covers defects in manufacture or materials during the lifetime of the tool.