Features Made of high quality carbon steel material, long service life. The surface is of zinc plating and not easy to oxidize. Essential accessories compatible with maintenance Can be used with bolts, studs or machine screws compatible with fastening two parts Used widely in the home and office appliance, communication equipment and other machinery industry. Features: 1.Made of high quality carbon steel material, long service life. 2.The surface is of zinc plating and not easy to oxidize. 3.Essential accessories compatible with maintenance 4.Can be used with bolts, studs or machine screws compatible with fastening two parts 5.Used widely in the home and office appliance, communication equipment and other machinery industry. Specification: Condition: 100% Brand New Material:Carbon Steel Product dimension: M18*55*26(mm) Weight: Approx. 147g / 5.2oz Package List: 1Pcs Long Nut Package List