(NEW WALTON 18002 6 PIECE 4 FLUTE TAP EXTRACTOR SET IN CASE 1/4 TO 5/8. 3) APPLY A TAP WRENCH TO EXTRACTOR AND GENTLY TWIST FORWARD AND BACKWARD TO LOOSEN THEN BACK OUT THE BROKEN TAP. INCLUDES ON EACH 1/4, 5/16, 3/8, 7/16, 1/2, 5/8 EXTRACTORS IN BLOW MOLDED CASE.