['[High quality] Made of high quality chrome vanadium steel, heat treated, higher hardness, corrosion resistance, not easy to wear, deform and break, the tip has black coating oxide, more resistant', '[High quality] Made of high quality chrome vanadium steel, heat treated, higher hardness, corrosion resistance, not easy to wear, deform and break, the tip has black coating oxide, more resistant', '[High quality] Made of high quality chrome vanadium steel, heat treated, higher hardness, corrosion resistance, not easy to wear, deform and break, the tip has black coating oxide, more resistant', '[High quality] Made of high quality chrome vanadium steel, heat treated, higher hardness, corrosion resistance, not easy to wear, deform and break, the tip has black coating oxide, more resistant', '[High quality] Made of high quality chrome vanadium steel, heat treated, higher hardness, corrosion resistance, not easy to wear, deform and break, the tip has black coating oxide, more resistant']