It has a ten degree angle so it can preserve the ideal angle with your Miyabi blades, and currently being usable for Zwilling and Wusthof santokus and nakiris. VG10 Metal (CMV 60): VG10 is actually a premium Japanese steel with higher chromium and carbon material, furthermore vanadium and molybdenum, https://ciceroj184opr3.wikilinksnews.com/user