Professional security star/ Torx® socket bit set for use with 1/2" drive ratchet or extension bar. Suitable for removal/ installation of cylinder head bolts on Audi, BMW, Citroen, Ford, Mercedes-Benz, Renault cars and steering arms on MAN F series or wiper arms on MAN M series trucks. Overall length of 110mm. Socket made of hardened and tempered Chrome Vanadium (Cr-V) steel and bit made of impact grade S2 steel with matt finish for corrosion resistance. Each feature knurled ring for extra grip and performance. Set includes male tamperproof star/ Torx® socket bits from TH70 to TH100. Individual replacement star/ Torx® socket bits sold separately. Supplied in handy storage case.