1. M14x1.25mm spark plug thread repair tool, designed to straighten and clean damaged, dirty spark plug threads on cylinder heads. 2. Constructed from heat-treated chrome moly steel with zinc plating, high hardness, wear-resistant and anti-corrosion for long service life. 3. Split expanding head design precisely trims deformed threads without destroying the original thread base. 4. Compact 121mm integrated structure, easy to operate, convenient to carry and store in your toolbox. 5. Professional automotive maintenance tool, ideal for DIY mechanics and auto repair shops to fix spark plug thread issues efficiently.
