Includes wire insert set for repairing internal threads, a thread repair kit, and a wire stripping tool for automotive use. Key benefits - Restores damaged or worn internal threads in engine and automotive components, reducing the need for part replacement. - Repaired threads offer improved strength and longer service life compared with damaged originals. - Durable, well made through quality craftsmanship; designed to resist breakage during use. - Multiple sizes and standard automotive thread sizes to fit common applications; versatile for various parts. What it is for - A practical repair tool kit for engine repair and other automotive repairs; suitable for thread restoration in cars and light trucks. Materials and design - Crafted with attention to durability and reliability; components are built to withstand repeated use in automotive environments. Compatibility and use - Works with standard automotive threads and common hole sizes in engine blocks, cylinder heads, housings, and manifolds. - Ideal for repair scenarios where threaded holes are stripped or damaged, restoring fastening integrity. Use scenarios - Scenario 1: Repair stripped threads in an engine block or cylinder head to restore bolt retention. - Scenario 2: Reinforce damaged threads in aluminum housings or steel components such as intake manifolds or water pump housings. - Scenario 3: Prepare wiring for automotive electrical repairs with the included wire stripping tool, supporting quick, clean wire prep. What you get - Wire insert set, thread repair kit, and a high quality wire stripping tool for car kits.