Abstract: A tool is provided which includes a chuck provided with abrasive elements in the form of pellets fixed thereto. Abrasive filler is arranged between the abrasive elements. The density and abrasive grit of the abrasive filler are in ranges of from 20 to 80% and from 1 to 50% with respect to the density and abrasive grit of the abrasive elements. A composition is provided which consists of epoxy resin, diamond-containing abrasive, a hardener, a filler and polyhydride siloxane. The polyhydride siloxane is used in order to form pores when reacting with the hardener during the production of the tool.