Feature:1. This is an effective thread repair tool, simple to install, including 10pcs threaded inserts2. Can be used as a repair method, therefore repairing the threaded hole in a cost‑effective manner if a thread error occurs or a damaged female threaded hole is repaired3. Made of excellent 303 stainless steel material to ensure the durability and stability of the product4. Mainly used for aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment and radiators5. External thread pitch 1.25mm, internal thread pitch 1.0mm, come with a small groove for more convenient useSpecification:Item Type: Thread InsertsMaterial: 303 Stainless steelSpecification: Female thread M6x1.0mm, male thread M8x1.25mm, approx. 10mm / 0.4in longWhether to Slot: There is a small slotPurpose: Thread repairCase: For example, if the M8 thread is slippery, if you want to continue to use the M8 thread after the restoration, use this method to first expand the M8 thread to the M10 thread, and then use the M8-M10-12 length reducer to change it back to M8, because the material of this reducer is stainless steel, it will make the M8 thread more firm.Package List:10 x Thread Inserts