This set has 15 pieces as is, including one large compass, one drop bow compass,  one beam compass extension, one divider, four ruling pens, one small compass, one small divider, one small screwdriver,  and spare parts. All parts in very good and clean condition and working. 

note: The box is broken and very old, there is one missing part, a ruling pen accessory.

A perfect, functional and vintage set for professional Geometers and illumination artwork.

Made in Germany.