Limited edition refills for the Pilot Hi-Tec-C Coleto series: "Hi-Tec-C Coleto Nicola Collaboration" 10-color refill set. This was a limited-edition refill set in a special case, a collaboration with the magazine "Nicola." The convenient carrying case contains 10 colors: black, red, blue, clear blue, green, apple green, apricot orange, orange, pink, and baby pink. The remaining ink levels vary by color, but all colors have ink remaining.