Description: Type: Double headed Spark Plug Hole Thread Chaser Restorer Tap Strong Material: Spark Plug Hole Thread Chaser is made of high carbon steel, overall heat treatment, high hardness, strong and wear resistant, good rust resistance, not easy to damage. Spark Plug Thread Repair Tool: The double ended spark plug thread catcher can remove the dust and carbon deposits on the spark plug thread. Professional Manufacturing: Spark Plug Thread Insert Chaser Tap, high precision and high performance. Easy to Use: Spark Plug Hole Thread Repair Chaser Tool, direct replacement, perfect fit and easy to use, repair broken Spark Plug threads. Specification: Material: high carbon steel Size Chart: Style A:6.57cm/2.59inch Style B: 7.6cm/2.99inch Package Includes: 1 Spark Plug Hole Thread Chaser Note: Please allow slightly errors due to manual measurement and different monitors.