Feature: 1. REPAIR DAMAGED THREADS: The thread repair tool is designed to repair threads damaged when a rear tap passes through the spark plug hole. It can effectively repair the damage of threads and restore their functionality.2. FOR SPECIFIC SIZE THREADS: This tool is suitable for repairing 0.551 inch spark plug dirty threads. It is designed for this size to ensure the accuracy and effectiveness of thread repair. 3. FOLDABLE DESIGN: The repair tool features a foldable design that allows it to be coupled into the chamber through the spark plug hole. This makes it easier to use and fit into tight spaces. 4. EXPANDED THREAD AREA: The repair tool is able to expand the area of the threads, which are then screwed into clean threads, ensuring that the repaired threads fit perfectly with other parts. 5. MADE OF STEEL: The thread repair tool is made of steel for durability and strength to withstand the stresses of daily use and the repair process. Specification: Item Type: Back Tap Thread Repair Tool Package List: 1 x Back Tap Thread Repair Tool |