This threaded repair kit is solid and sturdy, which can withstand use. Features the carbon steel material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This thread insert kit will make the repair and fix easier and smoother. Features -Color:Multi -Material:Carbon steel -Size:13.00X4.00X1.00cm/5.11X1.57X0.39in -This threaded repair kit includes various tools that are designed to repair damaged threads and holes. -The thread insert kit is made of firm carbon steel materials to ensure durability and reliability. -Specifically, the professional thread repair kit is designed for m10x1.5 thread sizes. -Even those with limited experience can easily use these thread inserts as they are simple and . -This versatile stripped thread repair set can be used for a wide range of applications, including automotive repair and fixing stripped threads. Package list: 20 x screws 5 x tools