Thread chaser with expandable cones allows cutting process to begin inside and move outside during procedure. Ideal also for cleaning the thread, also for deep-seated threads in the cylinder head. To prevent spark or glow plugs from getting stuck. A clean thread is essential for smooth installation of new plugs. Manufactured from chrome-molybdenum steel.
• M12x1.25, 260mm long and 13mm hex. drive
• M14x1.25, 260mm long and 13mm hex. drive.