Description: 【Premium Material】: 49Pcs Thread Repair Tool Set is made of alloy material, with reliable quality, high hardness and durability. 【Function】: Thread Restorer Kit can be used to repair damaged screws and nuts, remove thread rust and burrs, and repair threads. 【With a Storage Box】: Rethread Repair Tools is equipped with a storage box (box color is random), which can be used to store your tools, portable and easy to store. 【Easy to Use】: Thread Rethreading Kit, simple and convenient to use, easy to operate, and widely applicable. 【Professional】: Screws and nuts repair tools are professional thread repair tools, suitable for professionals, very practical. Specification: Material: Alloy Size Chart: Box 30.5cmx23.5cmx5cm/12.01inchx9.25inchx1.97inch Package Includes: 1x Thread Repair Tool Set (box color random) Note: Please allow slightly errors 1-2cm differences due to manual measurement.