KOH-I-NOOR Rapidograph Technical Slim Pack 7 Pens Set

Bought sometime in the early 2000's and maybe used only a few times. Five have no ink in them, but one still has some ink in the cartridge and one pen the ink cartridge is missing. They all will need to be cleaned, soaked and flushed before adding any fresh ink. But if you know these types of pens you know that maintenance is necessary and frequentBottle of ink is included as well as the two wheel things to facilitate removing stuck pen nibs ( I think)One cap is yellowed due to age, case is intact with no cracks. faultless for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.