30pc comprehensive hex socket bit set from 5mm to 19mm for use with 1/2″ drive ratchet or extension bar. Set includes short, medium, long and extra long reach hex socket bits with overall length of 55, 100, 140 and 200mm. Made of hardened and tempered Chrome Vanadium (Cr-V) steel with matt finish. Each feature knurled ring for extra grip and performance. Supplied in carry case.