Includes 6 gel ink cartridges in 3  different colors    3-Nucleus Black    2-Midnight Blue    1-Pulsar Purple    Cross 8516B Matrix and Ion Gel Refill Multi-PackFeatures:    Includes 6 gel ink cartridges in 4 different colors:    Three Nucleus Black    Two Midnight Blue    One Pulsar Purple       Get 6 refills for the price of 5 with the gel ink multi-pack!