6 point with 1/4″ drive: EP4, EP5, EP6, EP7, EP8. 5 point with 1/2″ drive: EP8.8 for Tesla battery cover screw. 6 point with 3/8″ drive: EP10, EP11, EP12, EP14, EP16. External Plus Socket: Now many vehicle use a new-fangled fastener that has put you in a pickle, because the standard socket can’t remove install that new style fasteners.