Bench stone for steel, special carborundum medium / very fine 125X50 mm
Ceramic bonded combination oilstones, hardness O/ P. One side coarse for roughing, the other side fine for finishing.
Special Aluminium Oxide 180 grit (medium) with long working life. Other side precision abrasive, 500 grit (very fine), very free cutting, high surface quality.
For deburring, finish smoothing of irregularities, rounding of edges.