The GEARWRENCH 36 piece master Torx® bit socket set includes the most popular sized Torx® bit sockets, External Torx® sockets, and Tamper-proof Torx® bit sockets. The set is contained in a blow mold case for storage and organization. Our sockets are manufactured from alloy steel and are heat treated for maximum durability. The bits are manufactured from S2 steel. The tools in this set are intoned to be used with manual tools only.