Carborundum Oil Stone:
For carpenters and 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.
| Code | No. | Dimensions mm |
| 614785 | 3 | 100 x 25 x 13 |
| 614786 | 24 | 115 x 38 x 16 |
| 614787 | 29 | 150 x 50 x 25 |
| 614788 | 0 | 205 x 50 x 25 |
| 614789 | Combination | 205 x 50 x 25 |