Gradation 280 is used for pre-sharpening heavily dulled cutting edges. The semicircular profile of the stone was developed for sharpening knives and tools with a curved head like karambit, hawkbill, kukri, scythe.
The stone is mounted in an ergonomically shaped polymer case with a brass threaded insert for a guide (not included).
What can be sharpened?
Meat knife
Folder (folding knife)
Knife with a hook
Universal knife
Santoku all-purpose knife
Chef's knife
Machet
Scissors
Axe
Cleaver
Serrated knife
Hook