uni-ball Signo RT1, set of 2 Not sold separately Body colors: SUNNY YELLOW HYACINTH BLUE Ball diameter: 0.38mm Ink color: Black Thank you for viewing. Although unused, these have been stored at home after purchase from a store. Please consider purchasing only if you understand this. Since there is a resin ball on the pen tip, I have not tested the writing. Shipping will be in simple packaging.