Thread Repair Tool

Carlyle Tools are engineered for professionals who demand the best. Built with unbreakable strength, high-impact finishes, and a rugged, heavy-duty design, Carlyle tools are up for any challenge, from automotive work to heavy machinery operation. The Carlyle name is a stamp of quality that pros trust because second best isn't an option. Carlyle Tools give you the confidence to conquer any task, making every job just another challenge waiting to be crushed.
Quickly restores thread integrity without the need for replacement parts, reducing vehicle downtime and repair costs
Rubber ring eliminates slipping
Compatible with most spark plug sizes, making it a versatile tool for various vehicles and engines
Use with 13/16in socket.