This is a case with almost 20 pieces. The size is larger than usual and includes everything needed for technical drawing. Two of the pieces have mar fil handles. At the bottom there is a compartment for an additional compass as well as a tool for sharpening pencils. The back of this tool is also a key for maintenance of the compasses. The case has ink stains, but is free of woodworm and in acceptable condition. It measures 22.5 cm wide X 18 cm deep.