10mm-12mm Automobile Double-Ended Spark Plug Thread Repair Tool

1. Material: metal2. Made of tool steel forging, durable and long service life3. Overall heat treatment, high hardness, high torque and high hardness tap4. Card slot heat treatment, strong card position and strong torque support5. Hard coarse teeth, stronger clamping force, durable and not easy to wear6. Size: 10mm-12mm 66.7x20.6 cm, 14mm-18mm 76x21.5 cm7. Weight: 10mm-12mm 79g; 14mm-18mm 128g