Thread Repair Tool 131Pc M5 M6 M8 M10 M12 Coil Drill Insert Installation Kit Engine Block Restoring Damaged Set. It is used for car demolition throttle, seat chair, door lock, fender, suitable for car interior decoration. Suitable for motorcycles, bicycles, maintenance, suitable for removing various shapes of screws and nuts. Each tool undergoes multiple precise quality inspection processes, with strict controls at every stage from materials to manufacturing processes. It is burr-free, flawless, and its precision error is controlled to an extremely small range, ensuring safe and stable use. Due to processes such as anodizing, nickel plating for rust prevention, and electrophoretic coating, the tool surface is smooth, corrosion-resistant, moisture-proof, and rust-proof., Manufacturer: THUJMGH