With Mars matic 700 in different line widths: 0.25 mm, 0.35 mm,  0.5 mm and 0.7 mm

With technical pen compass adapter and template attachment for facilitating work with templates

With drawing ink bottle 745 R-9

Plastic case with removable transparent lid, non-slip feet and technical pen holder, conforming to ISO 9175-1 and DIN 15