... 8mm - 300mm widthSurface finished: bright,white,blue, polished, yellow, blackHardness: 40-55HRC for hardened and tempered processEdge: slit, round, squarePacking: each ... , steel toe cap, steel insole, spring metal part, lawn mower blade, wiper blade, agricutural tool, etc.Quality controlGWYL Ltd follows very strict quality ...