oemtools 25643 fix-a-thread spark plug thread repair kit, metric

Designed to Repair Stripped Threads On Non-Tapered Seat Spark Plugs*Rethreading in All Materials Such As Alloys, Steel, Plastics and Magnesium*Specified for Military, Aviation and Other High Demand Usage*High Quality 18-8 Stainless Steel Wire with a Diamond-Shaped Cross Section*Kit Includes 3 Thread Inserts and Thread Tap