KU No. Spec. Single/
Asst. Unit PK. Type Sales PK/
Inner/Master
EC00500
Duol tip two colors per pencil
φ2.9mm lead
Triangular Barrel
Asst. BOX Color Box 1/24/240
EC00520
Duol tip two colors per pencil
φ2.9mm lead
Triangular Barrel
Asst. BOX Color Box 1/24/144