IBS Specialty Pens Barrels + Ink or Combo Sets 2 Color Barrel - Clear4 Color Barrel - Silver4 Color Barrel - Black4 Color Barrel - Black .3mm ink - Multi color.4mm ink - Multi color.5mm ink - Multi color ~~~~Black~~~ .3mm ink - Black Refill.4mm ink - Black Refill .3mm - 4 cartridge Black w/ Multi color Kit.4mm - 4 cartridge Black w/ Multi color Kit.4mm - 4 cartridge Brown w/Multi color Kit