Wera Tools - 7776 External TORX® insert, 9x12 mmExternal TORX insert; for torque wrenches of the Click Torque X series with 9x12 mm holder. Features Square insert tool 9x12 mm For torque wrenches of the Click Torque X series with 9x12 mm holder For external TORX screws With safety pin The chrome vanadium steel version makes the plug in tools suitable for heavy loads Data Sheet (PDF)