Batch mill suitable for dry grinding of hard and brittle substances. - Double-walled grinding chamber, can be cooled with water through two hose adapters. - Removable grinding chamber, easy to clean. - Cutter M 21 included in delivery. - Two grindig chambers can be alternately operated using one drive. Batch mill suitable for dry grinding of hard and brittle substances. - Double-walled grinding chamber, can be cooled with water through two hose adapters. - Removable grinding chamber, easy to clean. - Cutter M 21 included in delivery. - Two grindig chambers can be alternately operated using one drive.