Description: Material: This thread repair tool set is crafted from steel material, ensuring long-last performance and reliabilityPortable: Thread Repair Kit comes with a storage box, which is easy to store and carry, and can store your tools in an orderly manner for convenient usePackage Includes: The package includes a complete set of 131 pieces, providing all the necessary tools for efficient and effective thread repair tasks, making it an essential addition to any automotive toolkitVersatile: Designed for repairing spark plug threads in automotive engines, this versatile tool set can also be used for various other threading tasks across different applicationsApplication: Portable spark plug thread repair kit is suitable for factories, auto repair shops, home or personal DIY use Specification: Material: Steel Size Chart: Storage Case: 35.8cmx26.5cmx4cm/14.09inchx10.43inchx1.57inch Package Includes: 1 SetThread Repair Tool Note: Please allow slightly errors 1-2cm differences due to manual measurement.