QWORK Spark Plug Thread Repair Tool Kit, Stainless Steel, Includes 12 M14 x 1.25 Inserts & M16 x 1.25 Thread Tap, High Hardness & Galvanized Surface. Comprehensive Kit: The kit includes 12 M14 x 1.25 thread inserts and a 1pc M16 x 1.25 thread tap, catering to most spark plug thread repair needs.
