The variable system rounded edges practical gripping cut-out simple labelling incl. can be subsequently extended to different heights. 3 colour combinations: Shelves light grey, side panels grey, blue or black. Areas of application: in cabinets from 500 mm wide as a desk top for fax/copier/printer for sorting brochures/mail Paper formats: Envelopes up to C4 or 500 A4 sheets in a stack Internal dimensions per compartment: W 231 x D 323 x H 57 mm External dimensions per layer, 3 rows: W 723 x D 331 x H 70 mm. Add-on unit: 2 shelves (2 shelves) H 140 mm, 3-row, 6 compartments.