IMPA Code: 614785/614786/614787/614788/614789
Carborundum oil stone
For carpenter sand engineers.
May be used dry or with oil or water. Sufficiently porous to assure a good grinding or cutting action in combination with wax or oil.
Combination stone:
A combination of two grit sizes. One side coarse for very dull tools, the other one with a fine grit for clean edging work. May be used wet or dry.
