TORX® Socket Set (For External Bolts; 7 Piece) No. 6150 – TORX® socket set for external bolts (7 piece). Set includes one each of the following: No. 6151 – Size E6, Sq. Drive 1/4" No. 6152 – Size E7, Sq. Drive 1/4" No. 6153 – Size E8, Sq. Drive 1/4" No. 6154 – Size E10, Sq. Drive 3/8" No. 6155 – Size E12, Sq. Drive 3/8" No. 6156 – Size E14, Sq. Drive 3/8" No. 6157 – Size E16, Sq. Drive 3/8"