- Aluminium oxide stone double grain for wide spectrum applications
- Artificial combination stone with 2 grains for restoring and sharpening the cutting edge of chisels, plane irons etc.
- Side A: rough side with 120 grains/cm², suitable for removal of dents in the cutting edge, to even or straighten out cutting surface
- Side B: fine side with 400 grains/cm², suitable for sharpening of cutting edges and smoothing of cutting surfaces
- We suggest the use of this stone before finishing with natural stones
- Application: dry, oil or water
- Cleaning: rub stone with sandpaper and water