Cer (Ceramic) abrasives have the longest life and the fastest cutting rate of all abrasives. They ensure an aggressive and consistent cut under moderate to high pressure, as they break down into micro particles, keeping the abrasion surface permanently sharp.
The indicated grits are the most common for the operations in question, but they do not exhaust all available alternatives. We will be happy to help you find the best solution for your case.
In addition to the more common parallelepiped blocks, there are those with faces with much smaller angles, to reach difficult spots, or those with curved faces, to better adapt to the contours of the pieces.