DOUBLE OPEN END SPANNER 34306 DOUBLE OPEN END SPANNER 34306 DOUBLE OPEN END SPANNER FOR MICROMECHANICAL WORKS 34059 DOUBLE OPEN END SPANNER FOR MICROMECHANICAL WORKS 34059 OPEN END SPANNER 34012 OPEN END SPANNER 34012 DOUBLE OPEN END SPANNER SET 34406 DOUBLE OPEN END SPANNER SET 34406