Version:
Ceramic bonded combination oilstones, hardness O/ P. One side coarse for roughing, the other side fine for finishing.
Aluminium Oxide in medium hard bonding. Lower part Aluminium Oxide (A) 100 grit (coarse); upper part electro-bonded Aluminium Oxide 280 / 320 grit (fine).
Application:
For deburring, finish smoothing of irregularities, rounding of edges.
Note:
Equalised bench stones additionally dressed for a perfectly flat surface.