Features: enhances your thread connection with our high quality metric coarse thread wire inserts, crafted from steel steel for exceptional wear and corrosion resistance. Featuring a user friendly design, these inserts easy to install and significantly boost thread strength, making them ideal for repairing various materials. Perfect for professional repair technicians, mechanical engineers, and DIY enthusiasts search reliable solution for their diverse repair needs. Widely applicable in automotive repairs, machinery maintenance, and household appliance fixes, ensuring versatility across multiple repair situation . invests in these robusts wire thread inserts to ensure long service Performances and stability in all your threading projects, available under our comprehensive tool and tool part. Specifications: Component : steel Size: mixed Package Includes: 60pcs Metric Thread Inserts note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.