2PCS Spark Plug Thread Chaser Tool, Spark Plug Tapper, High Carbon Steel Insert Tap Repair Set, Double-Ended Spark Plug Chaser Tool with M10 x 1.0/M12 x 1.25 M14 x 1.5/M18 x 1.5 (Type A+B)

OEMTOOLS 25605 5/16 Inch Fix-A-Thread Repair Kit, Essential for Automotive Thread Repair, Steel Inserts, Durable and Reliable Solution for Stripped Threads

OEMTOOLS 25633 M10-1.5 Fix-A-Thread Spark Plug Thread Repair Metric Kit, Restoring Damaged Threads with High-Quality Steel Inserts, Spark Plug Thread Repair, Automotive Thread Repair Solution

BWBWND Spark Plug Thread Repair Kit, M14×1.25 Inserts & M16x1.25 Tap Stainless Steel Thread Repair Tool, 14mm Spark Plug Rethreaded Kit for Automotive Gasoline Engine Generator

Mautopily 16Pcs Spark Plug Thread Repair Kit, M14 X 1.25 Spark Plug Rethreading Tool Set with Carbon Steel Tap & Portable Case - Universal for Car, Truck, Motorcycle, ATV Engine Maintenance

Helicoil 5521-5 5/16-18 Inch Coarse Thread Repair Kit

ARP - M12 X 1.75 OAL 6" thread cleaning tap (912-0016)

Sbulhia Spark Plug Thread Repair Kit, Spark Plug Rethreaded Kit with M14×1.25 Inserts M16×1.25 Tap, Stainless Steel Thread Repair Tools for Automotive Gasoline Engines Generators

OEMTOOLS 25629 Fix-A-Thread Spark Plug Thread Repair Kit, M8-1.25mm, 10 Metric Thread Inserts Repair Stripped Threads, for Spark Plugs, Automotive, Aviation

Spark Plug Thread Repair Tools, M12x1.25 Thread Inserts + M14x1.25 Tap Metal Spark Plug Thread Hole Repair Tools Rethreaded Kit for Automotive Gasoline Engine Generators Repair