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.
Made with durable material
Use with CSPTIRT reamer / tap to repair holes
Used to replace damaged 14mm spark plug threads on alumnium head engines only