5 PCS/Set 14mm Spark Plug Hole Thread Repair Tool Tap Regenerator

1. Material: high carbon steel2. Professional tool for spark plug repair, long life3. High precision and high efficiency, better quality4. Stronger and more durable, not easy to damage5. Simple and convenient to operate, quick and easy to use6. Weight: about 100g7. Size: M14x1.25 (9mm long); M14x1.25 (11mm long); M14x1.25 (16mm long); M14x1.25 (20mm long)