Size: The female thread of the thread insert is M6x1.0mm, the male thread is M8x1.25mm and it is 15mm/0.6in long.Material: The threaded insert adopts high quality stainless steel to ensure the durability and stability of the product. Purpose: This is an effective thread repair tool that a thread insert can be used to repair if a thread error occurs or a damaged fem thread hole is repaired, which is cost-effective.Application: the wire insert has a small slot and the wire reducer nut has a stable structure, it is applied to aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment and radiators and manufacturing areas.Application: the wire insert has a small slot and the wire reducer nut has a stable structure, it is applied to aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment and radiators and manufacturing areas. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.