Please note box says black ink however there are 6 black ink Pens as well as 6 red ink pens Also please note I listed the pens as used but they were purchased at a store in an open box EACH pen was tested at the time of the listing and will retest before mailing out when ordered This set is so unique because you get both and red ink in 1 box/ 1 purchase These pens are designed with a rollerball sub-type, offering smooth and precise writing. The model number is 60101, featuring a sleek black and red design. This particular set is considered rare, making it a unique and sought-after addition to any office or personal stationary collection.