Clarke39s pro162 set contains 30 chrome vanadium steel torx star amp security bit sockets each with a 38quot or frac14quot square drive for any equivalent square drive ratchet the full set contains many of the most commonly needed sizes of tamper proof fastener sockets amp torx star driver bits and each socket amp bit is covered by clarkes lifetime tool guarantee for that extra piece of mind this fantastic torx star bits for torxreg fasteners 39torx is the registe