Universal laboratory grinder, comprising powerful drive unit for use with a choice of accessory grinding heads. The user can choose between the impact grinding head for milling hard, brittle materials (see fig.) and the cutting head for processing fibrous material. The maximum granule size output can be set by using various insert sieves (with apertures between 0.25 mm and 4 mm) placed above the outlet. There is an NS29 standard ground joint at the outlet for attachment of receiving flasks.
