DMT MAGKIT-4 Diafold Magna-Guide Kit in Case Made in: USA Category name: sharpening sets Made in USA or imported Patented magnetic angle guide attachment engineered to work with any DMT double-sided Diafold product Four diamond stones in extra-extra fine, extra-fine, fine and coarse Precisely Micronized Monocrystalline diamond coating sharpens any edge with ease Guide with 7 angle settings ensures precise bevels from razor to cleaver edges Stable resin clamp holds knife firmly without risk of scratching blade